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Round|Lab Grown|IGI

4.28ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754563427

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754563427

Diamond specifications and retailer prices

From €2,335 EUR
$2,609 USD
As of October 31, 2026
Save €11,512 EUR (83%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €13,847 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown round diamond

This 4.28ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754563427 or 754563427. Listed at 29 retailers as of October 31, 2026, with prices from €2,335 to €13,847, a €11,512 spread on the same certified stone. Do Amore Diamonds lists it at €13,847. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563427
Dimensions10.47 × 10.51 × 6.36 mm
L/W Ratio1.00
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
10.47 mm10.51 mm4.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563427
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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 31
Current: €13,847 EUR|Low: €2,004 EUR|High: €21,500 EUR|Avg: €6,204 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 8
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Retailer 17
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Retailer 21
Retailer 22
October 31, 2026
Retailer 22€2,004 EUR
Retailer 9€2,473 EUR
Retailer 4€2,605 EUR
Retailer 10€3,208 EUR
Retailer 13€3,410 EUR
Retailer 21€3,410 EUR
Retailer 16€3,466 EUR
Retailer 3€3,579 EUR
Retailer 8€3,876 EUR
Retailer 15€3,964 EUR
Retailer 2€4,101 EUR
Retailer 18€5,486 EUR
Retailer 20€5,531 EUR
Retailer 7€6,234 EUR
Retailer 5€6,518 EUR
Retailer 11€6,743 EUR
Retailer 19€6,938 EUR
Retailer 14€8,994 EUR
Retailer 12€9,272 EUR
Retailer 6€10,099 EUR
Retailer 17€12,039 EUR
Do Amore Diamonds€13,847 EUR

36 data points across 22 retailers

29 retailers€2,335 EUR to €13,847 EUR

Retailer 1
-
€2,004 EUR
£1,763 GBP
Price last confirmed 14 days ago
Retailer 2
-
€2,190 EUR
$2,447 USD
View
Price last confirmed 25 days ago
Retailer 3
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€2,190 EUR
$2,447 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€2,253 EUR
$2,517 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
€2,335 EUR
$2,609 USD
View
Retailer 6
-
€2,335 EUR
$2,609 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
€2,473 EUR
$2,763 USD
View
Retailer 8
-
€2,577 EUR
$2,879 USD
View
Price last confirmed 32 days ago
A
Retailer 9
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€2,605 EUR
$2,910 USD
View
Final sale: no returns
Retailer 10
-
€2,718 EUR
$3,037 USD
View
Price last confirmed 38 days ago
A
Retailer 11
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€3,208 EUR
HK$28,000 HKD
View
A
Retailer 12
-
€3,410 EUR
$3,810 USD
View
A
Retailer 13
-
€3,410 EUR
$3,810 USD
View
A
Retailer 14
-
€3,466 EUR
£3,049 GBP
View
A
Retailer 15
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€3,579 EUR
$3,998 USD
View
A
Retailer 16
-
€3,876 EUR
$4,330 USD
View
Retailer 17
-
€3,964 EUR
$4,429 USD
View
Price last confirmed 31 days ago
A
Retailer 18
-
€4,101 EUR
View
A
Retailer 19
-
€5,486 EUR
ZAR 99,021 ZAR
View
Retailer 20
-
€5,531 EUR
A$9,506 AUD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
€6,234 EUR
$6,965 USD
View
B+
Retailer 22
-
€6,518 EUR
$7,282 USD
View
B+
Retailer 23
-
€6,743 EUR
$7,533 USD
View
B+
Retailer 24
-
€6,938 EUR
£6,103 GBP
View
B+
Retailer 25
-
€8,994 EUR
$10,048 USD
View
B+
Retailer 26
-
€9,272 EUR
SGD 13,998 SGD
View
Retailer 27
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€10,099 EUR
A$17,358 AUD
View
Price last confirmed 23 days ago
B+
Retailer 28
-
€12,039 EUR
$13,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-17C00EE80 · Oct 31
€13,847 EUR
$15,470 USD
View
28 more retailers have this diamond
Prices start from €2,335 EURSave up to €11,512 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 Round
€2,335 EUR