CaratHunter
Plans
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 $2,685 NZD
$1,513 USD
As of October 29, 2026
Save $15,786 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,470 NZD at Do Amore Diamonds · As of November 1, 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 $2,685 to $18,470, a $15,786 spread on the same certified stone. Do Amore Diamonds lists it at $18,470. 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: $18,470 NZD|Low: $2,685 NZD|High: $26,561 NZD|Avg: $8,679 NZD|-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$2,685 NZD
Retailer 12$2,920 NZD
Retailer 14$4,397 NZD
Retailer 3$4,471 NZD
Retailer 8$4,908 NZD
Retailer 6$4,982 NZD
Retailer 2$5,383 NZD
Retailer 9$5,507 NZD
Retailer 11$6,444 NZD
Retailer 4$8,099 NZD
Retailer 13$8,667 NZD
Retailer 10$9,831 NZD
Do Amore Diamonds$18,470 NZD
Retailer 5$20,763 NZD

24 data points across 14 retailers

11 retailers$2,685 NZD to $18,470 NZD

A
Cheapest Retailer
-
$2,685 NZD
$1,513 USD
A
Retailer 2
-
$2,920 NZD
$1,646 USD
View
A
Retailer 3
-
$4,397 NZD
$2,478 USD
View
A
Retailer 4
-
$4,471 NZD
$2,520 USD
View
Final sale: no returns
A
Retailer 5
-
$4,846 NZD
$2,731 USD
View
A
Retailer 6
-
$4,908 NZD
$2,766 USD
View
A
Retailer 7
-
$5,507 NZD
$3,104 USD
View
B+
Retailer 8
-
$6,444 NZD
$3,632 USD
View
B+
Retailer 9
-
$8,667 NZD
$4,885 USD
View
B+
Retailer 10
-
$9,831 NZD
£4,363 GBP
View
Most Expensive
B
Do Amore Diamonds
27-36C5020D3 · Nov 1
$18,470 NZD
$10,410 USD
View
10 more retailers have this diamond
Prices start from $2,685 NZDSave up to $15,786 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
$2,685 NZD