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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 $2,057 AUD
$1,445 USD
As of October 29, 2026
Save $6,283 AUD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,341 AUD 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 $2,057 to $8,341, a $6,283 spread on the same certified stone. Taylor and Hart lists it at $8,341. 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: $3,441 AUD|Low: $2,057 AUD|High: $12,642 AUD|Avg: $5,080 AUD|-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$2,057 AUD
Retailer 2$2,352 AUD
Retailer 14$2,571 AUD
Retailer 8$2,755 AUD
Retailer 7$3,283 AUD
Retailer 11$3,375 AUD
Retailer 1$3,441 AUD
Retailer 10$3,975 AUD
Retailer 12$5,819 AUD
Retailer 5$6,065 AUD
Retailer 6$6,065 AUD
Retailer 9$6,756 AUD
Retailer 4$7,289 AUD
Taylor and Hart$8,341 AUD
Retailer 13$12,642 AUD

25 data points across 15 retailers

12 retailers$2,057 AUD to $8,341 AUD

B+
Cheapest Retailer
-
$2,057 AUD
$1,445 USD
Final sale: no returns
B+
Retailer 2
-
$2,352 AUD
$1,652 USD
View
B+
Retailer 3
-
$2,571 AUD
$1,806 USD
View
B+
Retailer 4
-
$2,755 AUD
$1,935 USD
View
B+
Retailer 5
-
$3,283 AUD
£1,816 GBP
View
B
Retailer 6
-
$3,375 AUD
$2,371 USD
View
B+
Retailer 7
-
$3,441 AUD
£1,903 GBP
View
B
Retailer 8
-
$3,975 AUD
$2,792 USD
View
B
Retailer 9
-
$5,819 AUD
$4,088 USD
View
B
Retailer 10
-
$6,756 AUD
£3,737 GBP
View
Most Expensive
B
Taylor and Hart
4W7HMXB · Oct 30
$8,341 AUD
$5,859 USD
View
10 more retailers have this diamond
Prices start from $2,057 AUDSave up to $6,283 AUD

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
$2,057 AUD