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Oval|Lab Grown|IGI

15.91ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG573313065

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG573313065

Diamond specifications and retailer prices

From $5,465 NZD
£2,425 GBP
As of November 1, 2026
Save $19,940 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $25,404 NZD at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.91ct lab-grown oval diamond

This 15.91ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG573313065 or 573313065. Listed at 12 retailers as of October 31, 2026, with prices from $5,465 to $25,404, a $19,940 spread on the same certified stone. Adiamor lists it at $25,404. 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

15.91
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573313065
Dimensions20.44 × 14.22 × 8.94 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
20.44 mm14.22 mm15.91 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573313065
Side View
Table 58.5%Crown 36.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.9%

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: Nov 1
Current: $25,404 NZD|Low: $5,465 NZD|High: $46,558 NZD|Avg: $13,146 NZD
Adiamor
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
November 1, 2026
Retailer 7$5,465 NZD
Retailer 10$5,866 NZD
Retailer 4$6,382 NZD
Retailer 13$6,804 NZD
Retailer 11$7,079 NZD
Retailer 12$7,702 NZD
Retailer 14$8,108 NZD
Retailer 3$8,502 NZD
Retailer 8$8,988 NZD
Retailer 9$9,384 NZD
Retailer 2$10,562 NZD
Retailer 6$16,909 NZD
Adiamor$25,404 NZD
Retailer 5$46,558 NZD

5 data points across 14 retailers

12 retailers$5,465 NZD to $25,404 NZD

A
Cheapest Retailer
-
$5,465 NZD
£2,425 GBP
A
Retailer 2
-
$5,866 NZD
$3,306 USD
View
A
Retailer 3
-
$6,382 NZD
$3,597 USD
View
A
Retailer 4
-
$6,804 NZD
$3,835 USD
View
A
Retailer 5
-
$7,079 NZD
$3,990 USD
View
A
Retailer 6
-
$7,702 NZD
$4,341 USD
View
A
Retailer 7
-
$8,108 NZD
HK$35,700 HKD
View
A
Retailer 8
-
$8,502 NZD
$4,792 USD
View
A
Retailer 9
-
$8,988 NZD
£3,989 GBP
View
B+
Retailer 10
-
$9,384 NZD
$5,289 USD
View
B+
Retailer 11
-
$10,562 NZD
$5,953 USD
View
Most Expensive
B
Adiamor
D-82828532 · Oct 31
$25,404 NZD
$14,318 USD
View
11 more retailers have this diamond
Prices start from $5,465 NZDSave up to $19,940 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
15.91ct Oval
$5,465 NZD