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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 $4,385 AUD
£2,425 GBP
As of November 1, 2026
Save $15,999 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,383 AUD 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 $4,385 to $20,383, a $15,999 spread on the same certified stone. Adiamor lists it at $20,383. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $20,383 AUD|Low: $4,385 AUD|High: $37,355 AUD|Avg: $10,548 AUD
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$4,385 AUD
Retailer 10$4,706 AUD
Retailer 4$5,121 AUD
Retailer 13$5,460 AUD
Retailer 11$5,680 AUD
Retailer 12$6,180 AUD
Retailer 14$6,505 AUD
Retailer 3$6,822 AUD
Retailer 8$7,212 AUD
Retailer 9$7,529 AUD
Retailer 2$8,475 AUD
Retailer 6$13,567 AUD
Adiamor$20,383 AUD
Retailer 5$37,355 AUD

5 data points across 14 retailers

12 retailers$4,385 AUD to $20,383 AUD

A
Cheapest Retailer
-
$4,385 AUD
£2,425 GBP
A
Retailer 2
-
$4,706 AUD
$3,306 USD
View
A
Retailer 3
-
$5,121 AUD
$3,597 USD
View
A
Retailer 4
-
$5,460 AUD
$3,835 USD
View
A
Retailer 5
-
$5,680 AUD
$3,990 USD
View
A
Retailer 6
-
$6,180 AUD
$4,341 USD
View
A
Retailer 7
-
$6,505 AUD
HK$35,700 HKD
View
A
Retailer 8
-
$6,822 AUD
$4,792 USD
View
A
Retailer 9
-
$7,212 AUD
£3,989 GBP
View
B+
Retailer 10
-
$7,529 AUD
$5,289 USD
View
B+
Retailer 11
-
$8,475 AUD
$5,953 USD
View
Most Expensive
B
Adiamor
D-82828532 · Oct 31
$20,383 AUD
$14,318 USD
View
11 more retailers have this diamond
Prices start from $4,385 AUDSave up to $15,999 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
15.91ct Oval
$4,385 AUD