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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 $4,622 NZD
$2,605 USD
As of October 29, 2026
Save $21,212 NZD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $25,834 NZD 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 $4,622 to $25,834, a $21,212 spread on the same certified stone. Brilliant Earth lists it at $25,834. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $25,834 NZD|Low: $3,724 NZD|High: $25,834 NZD|Avg: $10,389 NZD
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$4,622 NZD
Retailer 5$5,030 NZD
Retailer 4$5,362 NZD
Retailer 14$5,651 NZD
Retailer 12$5,692 NZD
Retailer 9$7,064 NZD
Retailer 13$7,573 NZD
Retailer 2$7,998 NZD
Retailer 3$8,925 NZD
Retailer 11$8,961 NZD
Retailer 7$10,221 NZD
Retailer 15$13,825 NZD
Retailer 10$15,084 NZD
Retailer 8$15,550 NZD
Retailer 6$20,226 NZD
Brilliant Earth$25,834 NZD

45 data points across 16 retailers

20 retailers$4,622 NZD to $25,834 NZD

A
Cheapest Retailer
-
$4,622 NZD
$2,605 USD
A
Retailer 2
-
$4,768 NZD
$2,687 USD
View
A
Retailer 3
-
$5,030 NZD
$2,835 USD
View
A
Retailer 4
-
$5,362 NZD
$3,022 USD
View
A
Retailer 5
-
$5,651 NZD
$3,185 USD
View
B+
Retailer 6
-
$5,692 NZD
$3,208 USD
View
Final sale: no returns
B+
Retailer 7
-
$6,995 NZD
HK$30,800 HKD
View
B+
Retailer 8
-
$7,064 NZD
£3,135 GBP
View
B+
Retailer 9
-
$7,573 NZD
$4,268 USD
View
B+
Retailer 10
-
$7,998 NZD
£3,549 GBP
View
B+
Retailer 11
-
$8,925 NZD
$5,030 USD
View
B+
Retailer 12
-
$8,961 NZD
€4,810 EUR
View
B
Retailer 13
-
$10,221 NZD
£4,536 GBP
View
B
Retailer 14
-
$13,825 NZD
$7,792 USD
View
B
Retailer 15
-
$15,084 NZD
£6,694 GBP
View
B
Retailer 16
-
$15,541 NZD
$8,759 USD
View
B
Retailer 17
-
$15,550 NZD
$8,764 USD
View
B
Retailer 18
-
$20,226 NZD
SGD 15,405 SGD
View
B
Retailer 19
-
$20,623 NZD
$11,623 USD
View
Most Expensive
B
Brilliant Earth
17310142Y · Oct 29
$25,834 NZD
$14,560 USD
View
19 more retailers have this diamond
Prices start from $4,622 NZDSave up to $21,212 NZD

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
$4,622 NZD