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Oval|Lab Grown|GCAL

3.12ct D IF Oval Lab Grown Diamond

ID • D/IF • GCAL 353036079

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 353036079

Diamond specifications and retailer prices

From $2,154 AUD
$1,513 USD
As of October 29, 2026
Save $12,666 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,820 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 GCAL 353036079. Listed at 11 retailers as of October 29, 2026, with prices from $2,154 to $14,820, a $12,666 spread on the same certified stone. Do Amore Diamonds lists it at $14,820. 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 angle36.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 353036079
Dimensions11.95 × 8.24 × 4.87 mm
L/W Ratio1.45
Culet sizeNone
Top View
11.95 mm8.24 mm3.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 353036079
Side View
Table 61.0%Crown 36.7°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 59.1%

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: $14,820 AUD|Low: $2,154 AUD|High: $21,311 AUD|Avg: $7,607 AUD|-30.5%
Do Amore Diamonds
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
October 29, 2026
Retailer 7$2,154 AUD
Retailer 12$2,343 AUD
Retailer 14$3,528 AUD
Retailer 3$3,587 AUD
Retailer 8$3,938 AUD
Retailer 6$3,997 AUD
Retailer 2$4,319 AUD
Retailer 9$4,419 AUD
Retailer 11$5,171 AUD
Retailer 4$6,498 AUD
Retailer 13$6,954 AUD
Retailer 10$7,888 AUD
Do Amore Diamonds$14,820 AUD
Retailer 5$16,659 AUD

22 data points across 14 retailers

11 retailers$2,154 AUD to $14,820 AUD

A
Cheapest Retailer
-
$2,154 AUD
$1,513 USD
A
Retailer 2
-
$2,343 AUD
$1,646 USD
View
A
Retailer 3
-
$3,528 AUD
$2,478 USD
View
A
Retailer 4
-
$3,587 AUD
$2,520 USD
View
Final sale: no returns
A
Retailer 5
-
$3,888 AUD
$2,731 USD
View
A
Retailer 6
-
$3,938 AUD
$2,766 USD
View
A
Retailer 7
-
$4,419 AUD
$3,104 USD
View
B+
Retailer 8
-
$5,171 AUD
$3,632 USD
View
B+
Retailer 9
-
$6,954 AUD
$4,885 USD
View
B+
Retailer 10
-
$7,888 AUD
£4,363 GBP
View
Most Expensive
B
Do Amore Diamonds
27-36C5020D3 · Oct 30
$14,820 AUD
$10,410 USD
View
10 more retailers have this diamond
Prices start from $2,154 AUDSave up to $12,666 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.

A
3.12ct Oval
$2,154 AUD