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Oval|Lab Grown|GIA

3.12ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • GIA 7481210106

Certificate GIA 7481210106

Diamond specifications and retailer prices

From $2,564 NZD
$1,445 USD
As of October 29, 2026
Save $7,831 NZD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,395 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7481210106. Listed at 12 retailers as of October 29, 2026, with prices from $2,564 to $10,395, a $7,831 spread on the same certified stone. Taylor and Hart lists it at $10,395. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.12
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7481210106
Dimensions11.66 × 8.29 × 5.12 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Top View
11.66 mm8.29 mm3.12 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7481210106
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,288 NZD|Low: $2,564 NZD|High: $15,756 NZD|Avg: $6,331 NZD|-0.7%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 3$2,564 NZD
Retailer 2$2,931 NZD
Retailer 14$3,204 NZD
Retailer 8$3,433 NZD
Retailer 7$4,092 NZD
Retailer 11$4,207 NZD
Retailer 1$4,288 NZD
Retailer 10$4,954 NZD
Retailer 12$7,253 NZD
Retailer 5$7,559 NZD
Retailer 6$7,559 NZD
Retailer 9$8,421 NZD
Retailer 4$9,084 NZD
Taylor and Hart$10,395 NZD
Retailer 13$15,756 NZD

25 data points across 15 retailers

12 retailers$2,564 NZD to $10,395 NZD

B+
Cheapest Retailer
-
$2,564 NZD
$1,445 USD
Final sale: no returns
B+
Retailer 2
-
$2,931 NZD
$1,652 USD
View
B+
Retailer 3
-
$3,204 NZD
$1,806 USD
View
B+
Retailer 4
-
$3,433 NZD
$1,935 USD
View
B+
Retailer 5
-
$4,092 NZD
£1,816 GBP
View
B
Retailer 6
-
$4,207 NZD
$2,371 USD
View
B+
Retailer 7
-
$4,288 NZD
£1,903 GBP
View
B
Retailer 8
-
$4,954 NZD
$2,792 USD
View
B
Retailer 9
-
$7,253 NZD
$4,088 USD
View
B
Retailer 10
-
$8,421 NZD
£3,737 GBP
View
Most Expensive
B
Taylor and Hart
4W7HMXB · Oct 30
$10,395 NZD
$5,859 USD
View
10 more retailers have this diamond
Prices start from $2,564 NZDSave up to $7,831 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.

B+
3.12ct Oval
$2,564 NZD