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Oval|Lab Grown|IGI

4.28ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG688516648

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG688516648

Diamond specifications and retailer prices

From €2,112 EUR
£1,858 GBP
As of October 30, 2026
Save €11,475 EUR (84%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €13,587 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown oval diamond

This 4.28ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG688516648 or 688516648. Listed at 29 retailers as of October 30, 2026, with prices from €2,112 to €13,587, a €11,475 spread on the same certified stone. Do Amore Diamonds lists it at €13,587. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.28
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688516648
Dimensions13.16 × 9.30 × 5.73 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.16 mm9.30 mm4.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688516648
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €13,587 EUR|Low: €2,105 EUR|High: €13,587 EUR|Avg: €4,900 EUR
Do Amore Diamonds
Retailer 2
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Retailer 25
October 31, 2026
Retailer 19€2,112 EUR
Retailer 14€2,180 EUR
Retailer 4€2,211 EUR
Retailer 5€2,291 EUR
Retailer 17€2,371 EUR
Retailer 23€2,433 EUR
Retailer 22€2,439 EUR
Retailer 3€2,990 EUR
Retailer 9€3,475 EUR
Retailer 13€3,482 EUR
Retailer 24€3,590 EUR
Retailer 10€3,942 EUR
Retailer 25€4,186 EUR
Retailer 2€4,705 EUR
Retailer 15€4,802 EUR
Retailer 20€5,381 EUR
Retailer 11€5,425 EUR
Retailer 12€6,037 EUR
Retailer 7€6,115 EUR
Retailer 6€6,403 EUR
Retailer 21€6,805 EUR
Retailer 8€8,652 EUR
Retailer 18€8,824 EUR
Retailer 16€9,318 EUR
Do Amore Diamonds€13,587 EUR

23 data points across 25 retailers

29 retailers€2,112 EUR to €13,587 EUR

A
Cheapest Retailer
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€2,112 EUR
£1,858 GBP
Retailer 2
-
€2,180 EUR
$2,435 USD
View
Price last confirmed 8 days ago
A
Retailer 3
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€2,211 EUR
$2,470 USD
View
Final sale: no returns
A
Retailer 4
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€2,291 EUR
$2,559 USD
View
Retailer 5
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€2,371 EUR
$2,649 USD
View
Price last confirmed 11 days ago
A
Retailer 6
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€2,433 EUR
$2,718 USD
View
A
Retailer 7
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€2,439 EUR
$2,725 USD
View
A
Retailer 8
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€2,990 EUR
HK$26,100 HKD
View
Retailer 9
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€3,175 EUR
$3,547 USD
View
Price last confirmed 19 days ago
A
Retailer 10
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€3,475 EUR
$3,882 USD
View
A
Retailer 11
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€3,482 EUR
£3,063 GBP
View
A
Retailer 12
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€3,590 EUR
$4,011 USD
View
Retailer 13
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€3,942 EUR
$4,404 USD
View
Price last confirmed 8 days ago
A
Retailer 14
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€4,186 EUR
$4,677 USD
View
A
Retailer 15
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€4,705 EUR
View
A
Retailer 16
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€4,802 EUR
£4,224 GBP
View
A
Retailer 17
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€5,381 EUR
ZAR 97,128 ZAR
View
Retailer 18
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€5,425 EUR
A$9,324 AUD
View
Price last confirmed 9 days ago
Retailer 19
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€6,037 EUR
$6,745 USD
View
Price last confirmed 10 days ago
B+
Retailer 20
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€6,115 EUR
$6,832 USD
View
B+
Retailer 21
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€6,403 EUR
$7,153 USD
View
B+
Retailer 22
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€6,549 EUR
$7,317 USD
View
B+
Retailer 23
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€6,805 EUR
£5,986 GBP
View
Retailer 24
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€8,435 EUR
£7,420 GBP
View
Price last confirmed 22 days ago
B
Retailer 25
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€8,652 EUR
SGD 13,063 SGD
View
B
Retailer 26
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€8,824 EUR
$9,859 USD
View
Retailer 27
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€9,318 EUR
$10,410 USD
View
Price last confirmed 7 days ago
B
Retailer 28
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€9,318 EUR
$10,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-DF53EF8B5 · Oct 31
€13,587 EUR
$15,180 USD
View
28 more retailers have this diamond
Prices start from €2,112 EURSave up to €11,475 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.28ct Oval
€2,112 EUR