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Oval|Lab Grown|IGI

15.05ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG797657759

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797657759

Diamond specifications and retailer prices

From $19,717 NZD
£8,750 GBP
As of November 1, 2026
Save $20,320 NZD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $70,174 NZD at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 15.05ct lab-grown oval diamond

This 15.05ct 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 LG797657759 or 797657759. Listed at 10 retailers as of October 31, 2026, with a 103% 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

15.05
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797657759
Dimensions19.52 × 13.81 × 8.79 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.52 mm13.81 mm15.05 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797657759
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $19,717 NZD|Low: $8,279 NZD|High: $70,174 NZD|Avg: $28,436 NZD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 1, 2026
Retailer 3$8,467 NZD
Retailer 4$15,244 NZD
Retailer 1$19,717 NZD
Retailer 9$24,201 NZD
Retailer 13$25,530 NZD
Retailer 11$26,047 NZD
Retailer 10$28,268 NZD
Retailer 7$28,704 NZD
Retailer 6$29,483 NZD
Retailer 12$33,391 NZD
Retailer 8$40,036 NZD
Retailer 2$41,536 NZD
Retailer 5$42,322 NZD
Taylor and Hart$70,174 NZD

16 data points across 14 retailers

10 retailers$19,717 NZD to $40,036 NZD

B+
Cheapest Retailer
-
$19,717 NZD
£8,750 GBP
B
Retailer 2
-
$24,201 NZD
$13,640 USD
View
Retailer 3
-
$25,530 NZD
$14,389 USD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$26,047 NZD
$14,680 USD
View
B
Retailer 5
-
$28,268 NZD
$15,932 USD
View
B
Retailer 6
-
$28,704 NZD
£12,738 GBP
View
B
Retailer 7
-
$29,483 NZD
A$25,564 AUD
View
B
Retailer 8
-
$33,391 NZD
$18,819 USD
View
Final sale: no returns
B
Retailer 9
-
$40,036 NZD
€21,490 EUR
View
Most Expensive
Taylor and Hart
2JS7YFW · Oct 18
$70,174 NZD
$39,550 USD
View
Price under review
9 more retailers have this diamond
Prices start from $19,717 NZDSave up to $20,320 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.

B+
15.05ct Oval
$19,717 NZD