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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 $3,016 SGD
£1,858 GBP
As of October 30, 2026
Save $16,390 SGD (84%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $19,406 SGD at Do Amore Diamonds · As of October 29, 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 28 retailers as of October 29, 2026, with prices from $3,016 to $19,406, a $16,390 spread on the same certified stone. Do Amore Diamonds lists it at $19,406. 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
Colour
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

How it works →
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: $19,406 SGD|Low: $3,006 SGD|High: $19,406 SGD|Avg: $6,985 SGD
Do Amore Diamonds
Retailer 2
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Retailer 25
October 30, 2026
Retailer 2$3,016 SGD
Retailer 14$3,113 SGD
Retailer 3$3,158 SGD
Retailer 4$3,271 SGD
Retailer 17$3,386 SGD
Retailer 22$3,475 SGD
Retailer 21$3,484 SGD
Retailer 25$4,271 SGD
Retailer 8$4,963 SGD
Retailer 13$4,973 SGD
Retailer 23$5,128 SGD
Retailer 9$5,630 SGD
Retailer 24$5,979 SGD
Retailer 15$6,858 SGD
Retailer 19$7,686 SGD
Retailer 10$7,748 SGD
Retailer 12$7,904 SGD
Retailer 11$8,623 SGD
Retailer 6$8,734 SGD
Retailer 5$9,145 SGD
Retailer 20$9,719 SGD
Retailer 7$12,358 SGD
Retailer 18$12,603 SGD
Retailer 16$13,308 SGD
Do Amore Diamonds$19,406 SGD

22 data points across 25 retailers

28 retailers$3,016 SGD to $19,406 SGD

A
Cheapest Retailer
-
$3,016 SGD
£1,858 GBP
Retailer 2
-
$3,113 SGD
$2,435 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,158 SGD
$2,470 USD
View
Final sale: no returns
A
Retailer 4
-
$3,271 SGD
$2,559 USD
View
Retailer 5
-
$3,386 SGD
$2,649 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$3,475 SGD
$2,718 USD
View
A
Retailer 7
-
$3,484 SGD
$2,725 USD
View
A
Retailer 8
-
$4,271 SGD
HK$26,100 HKD
View
Retailer 9
-
$4,534 SGD
$3,547 USD
View
Price last confirmed 18 days ago
A
Retailer 10
-
$4,963 SGD
$3,882 USD
View
A
Retailer 11
-
$4,973 SGD
£3,063 GBP
View
A
Retailer 12
-
$5,128 SGD
$4,011 USD
View
Retailer 13
-
$5,630 SGD
$4,404 USD
View
Price last confirmed 7 days ago
A
Retailer 14
-
$5,979 SGD
$4,677 USD
View
A
Retailer 15
-
$6,858 SGD
£4,224 GBP
View
A
Retailer 16
-
$7,686 SGD
ZAR 97,128 ZAR
View
Retailer 17
-
$7,748 SGD
A$9,324 AUD
View
Price last confirmed 8 days ago
Retailer 18
-
$8,623 SGD
$6,745 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
$8,734 SGD
$6,832 USD
View
B+
Retailer 20
-
$9,145 SGD
$7,153 USD
View
B+
Retailer 21
-
$9,354 SGD
$7,317 USD
View
B+
Retailer 22
-
$9,719 SGD
£5,986 GBP
View
Retailer 23
-
$12,047 SGD
£7,420 GBP
View
Price last confirmed 21 days ago
B
Retailer 24
-
$12,358 SGD
View
B
Retailer 25
-
$12,603 SGD
$9,859 USD
View
B+
Retailer 26
-
$13,308 SGD
$10,410 USD
View
B
Retailer 27
-
$13,308 SGD
$10,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-DF53EF8B5 · Oct 29
$19,406 SGD
$15,180 USD
View
27 more retailers have this diamond
Prices start from $3,016 SGDSave up to $16,390 SGD

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
$3,016 SGD