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Oval|Lab Grown|IGI

3.51ct D VS2 Oval Lab Grown Diamond

EX • D/VS2 • IGI LG836664197

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836664197

Diamond specifications and retailer prices

From $1,810 NZD
$1,020 USD
As of October 29, 2026
Save $10,735 NZD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,544 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.51ct lab-grown oval diamond

This 3.51ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836664197 or 836664197. Listed at 14 retailers as of October 29, 2026, with prices from $1,810 to $12,544, a $10,735 spread on the same certified stone. Brilliant Earth lists it at $12,544. 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

3.51
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836664197
Dimensions13.71 × 7.80 × 4.94 mm
L/W Ratio1.76
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.71 mm7.80 mm3.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836664197
Side View
Table 60.0%Crown 37.1°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $12,544 NZD|Low: $1,810 NZD|High: $12,544 NZD|Avg: $4,639 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9$1,810 NZD
Retailer 10$2,099 NZD
Retailer 7$2,404 NZD
Retailer 12$2,974 NZD
Retailer 5$3,025 NZD
Retailer 8$3,333 NZD
Retailer 11$3,350 NZD
Retailer 3$4,386 NZD
Retailer 4$5,787 NZD
Retailer 2$6,196 NZD
Retailer 6$7,154 NZD
Brilliant Earth$12,544 NZD

36 data points across 12 retailers

14 retailers$1,810 NZD to $12,544 NZD

A
Cheapest Retailer
-
$1,810 NZD
$1,020 USD
A
Retailer 2
-
$1,968 NZD
$1,109 USD
View
Retailer 3
-
$2,099 NZD
$1,183 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$2,099 NZD
$1,183 USD
View
A
Retailer 5
-
$2,404 NZD
$1,355 USD
View
B+
Retailer 6
-
$2,974 NZD
$1,676 USD
View
B+
Retailer 7
-
$3,025 NZD
£1,343 GBP
View
B+
Retailer 8
-
$3,350 NZD
$1,888 USD
View
B+
Retailer 9
-
$3,934 NZD
$2,217 USD
View
B
Retailer 10
-
$4,386 NZD
$2,472 USD
View
B
Retailer 11
-
$5,787 NZD
£2,568 GBP
View
B
Retailer 12
-
$6,196 NZD
$3,492 USD
View
B
Retailer 13
-
$7,154 NZD
£3,175 GBP
View
Most Expensive
B
Brilliant Earth
21584634A · Oct 29
$12,544 NZD
$7,070 USD
View
13 more retailers have this diamond
Prices start from $1,810 NZDSave up to $10,735 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
3.51ct Oval
$1,810 NZD