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Oval|Lab Grown|IGI

3.12ct D VVS1 Oval Lab Grown Diamond

ID • D/VVS1 • IGI LG841688087

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG841688087

Diamond specifications and retailer prices

From $1,554 NZD
$876 USD
As of October 26, 2026
Save $5,210 NZD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,229 NZD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841688087 or 841688087. Listed at 20 retailers as of October 26, 2026, with a 335% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841688087
Dimensions11.57 × 8.16 × 5.11 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm8.16 mm3.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841688087
Side View
Table 63.0%Crown 37.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

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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 26
Current: $8,229 NZD|Low: $1,554 NZD|High: $8,417 NZD|Avg: $4,469 NZD|-2.2%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 21
October 29, 2026
Retailer 21$1,554 NZD
Retailer 11$1,700 NZD
Retailer 6$1,741 NZD
Retailer 9$1,812 NZD
Retailer 14$1,831 NZD
Retailer 19$2,111 NZD
Retailer 13$2,306 NZD
Retailer 5$2,429 NZD
Retailer 3$2,582 NZD
Retailer 17$2,756 NZD
Retailer 12$2,772 NZD
Retailer 4$3,806 NZD
Retailer 8$4,010 NZD
Retailer 2$4,162 NZD
Retailer 10$5,094 NZD
Retailer 16$5,342 NZD
Retailer 15$6,016 NZD
Retailer 7$6,255 NZD
Retailer 18$6,476 NZD
Retailer 20$6,765 NZD
Helzberg Diamonds$8,229 NZD

22 data points across 21 retailers

20 retailers$1,554 NZD to $6,765 NZD

A
Cheapest Retailer
-
$1,554 NZD
$876 USD
A
Retailer 2
-
$1,700 NZD
$958 USD
View
A
Retailer 3
-
$1,741 NZD
$981 USD
View
Final sale: no returns
A
Retailer 4
-
$1,812 NZD
$1,021 USD
View
Retailer 5
-
$1,831 NZD
$1,032 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$2,111 NZD
$1,190 USD
View
A
Retailer 7
-
$2,306 NZD
£1,023 GBP
View
A
Retailer 8
-
$2,429 NZD
$1,369 USD
View
A
Retailer 9
-
$2,582 NZD
$1,455 USD
View
A
Retailer 10
-
$2,756 NZD
£1,223 GBP
View
B+
Retailer 11
-
$3,806 NZD
$2,145 USD
View
B+
Retailer 12
-
$4,010 NZD
$2,260 USD
View
B+
Retailer 13
-
$4,162 NZD
ZAR 37,897 ZAR
View
B+
Retailer 14
-
$5,094 NZD
$2,871 USD
View
B+
Retailer 15
-
$5,342 NZD
$3,011 USD
View
B+
Retailer 16
-
$6,016 NZD
SGD 4,582 SGD
View
B+
Retailer 17
-
$6,255 NZD
$3,525 USD
View
B+
Retailer 18
-
$6,476 NZD
$3,650 USD
View
B
Retailer 19
-
$6,765 NZD
£3,002 GBP
View
Most Expensive
Helzberg Diamonds
ZXZOKHMOOGON · Oct 13
$8,229 NZD
$4,638 USD
View
Price last confirmed 18 days ago
19 more retailers have this diamond
Prices start from $1,554 NZDSave up to $5,210 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
$1,554 NZD