Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG710560333

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG710560333

Diamond specifications and retailer prices

From $3,330 SGD
$2,605 USD
As of October 29, 2026
Save $15,283 SGD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,614 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval 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 LG710560333 or 710560333. Listed at 20 retailers as of October 29, 2026, with prices from $3,330 to $18,614, a $15,283 spread on the same certified stone. Brilliant Earth lists it at $18,614. 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

3.12
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710560333
Dimensions11.49 × 8.28 × 5.10 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.49 mm8.28 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710560333
Side View
Table 61.0%Crown 34.9°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $18,614 SGD|Low: $2,683 SGD|High: $18,614 SGD|Avg: $7,486 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 16$3,330 SGD
Retailer 5$3,624 SGD
Retailer 4$3,863 SGD
Retailer 14$4,072 SGD
Retailer 12$4,101 SGD
Retailer 9$5,090 SGD
Retailer 13$5,456 SGD
Retailer 2$5,763 SGD
Retailer 3$6,430 SGD
Retailer 11$6,457 SGD
Retailer 7$7,365 SGD
Retailer 15$9,961 SGD
Retailer 10$10,868 SGD
Retailer 8$11,204 SGD
Retailer 6$14,573 SGD
Brilliant Earth$18,614 SGD

45 data points across 16 retailers

20 retailers$3,330 SGD to $18,614 SGD

A
Cheapest Retailer
-
$3,330 SGD
$2,605 USD
A
Retailer 2
-
$3,435 SGD
$2,687 USD
View
A
Retailer 3
-
$3,624 SGD
$2,835 USD
View
A
Retailer 4
-
$3,863 SGD
$3,022 USD
View
A
Retailer 5
-
$4,072 SGD
$3,185 USD
View
B+
Retailer 6
-
$4,101 SGD
$3,208 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,040 SGD
HK$30,800 HKD
View
B+
Retailer 8
-
$5,090 SGD
£3,135 GBP
View
B+
Retailer 9
-
$5,456 SGD
$4,268 USD
View
B+
Retailer 10
-
$5,763 SGD
£3,549 GBP
View
B+
Retailer 11
-
$6,430 SGD
$5,030 USD
View
B+
Retailer 12
-
$6,457 SGD
€4,810 EUR
View
B
Retailer 13
-
$7,365 SGD
£4,536 GBP
View
B
Retailer 14
-
$9,961 SGD
$7,792 USD
View
B
Retailer 15
-
$10,868 SGD
£6,694 GBP
View
B
Retailer 16
-
$11,198 SGD
$8,759 USD
View
B
Retailer 17
-
$11,204 SGD
$8,764 USD
View
B
Retailer 18
-
$14,573 SGD
View
B
Retailer 19
-
$14,859 SGD
$11,623 USD
View
Most Expensive
B
Brilliant Earth
17310142Y · Oct 29
$18,614 SGD
$14,560 USD
View
19 more retailers have this diamond
Prices start from $3,330 SGDSave up to $15,283 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
3.12ct Oval
$3,330 SGD