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Oval|Lab Grown|IGI

20.70ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG716504125

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG716504125

Diamond specifications and retailer prices

From $18,633 NZD
$10,484 USD
As of November 1, 2026
Save $47,116 NZD (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $65,749 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.7ct lab-grown oval diamond

This 20.7ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG716504125 or 716504125. Listed at 12 retailers as of October 31, 2026, with prices from $18,633 to $65,749, a $47,116 spread on the same certified stone. Taylor and Hart lists it at $65,749. 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

20.70
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG716504125
Dimensions22.32 × 15.40 × 9.50 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
22.32 mm15.40 mm20.70 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG716504125
Side View
Table 62.0%Crown 34.8°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 61.7%

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: $25,724 NZD|Low: $17,887 NZD|High: $65,867 NZD|Avg: $32,804 NZD|-12.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 8$18,633 NZD
Retailer 3$19,918 NZD
Retailer 2$21,345 NZD
Retailer 11$21,614 NZD
Retailer 4$22,652 NZD
Retailer 6$22,728 NZD
Retailer 7$23,292 NZD
Retailer 1$25,724 NZD
Retailer 5$36,138 NZD
Retailer 9$49,382 NZD
Retailer 10$63,307 NZD
Taylor and Hart$65,749 NZD

37 data points across 12 retailers

12 retailers$18,633 NZD to $65,749 NZD

B+
Cheapest Retailer
-
$18,633 NZD
$10,484 USD
B+
Retailer 2
-
$19,918 NZD
$11,207 USD
View
B
Retailer 3
-
$21,345 NZD
$12,010 USD
View
Retailer 4
-
$21,614 NZD
$12,161 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$22,652 NZD
$12,745 USD
View
B+
Retailer 6
-
$22,728 NZD
$12,788 USD
View
B+
Retailer 7
-
$23,292 NZD
$13,105 USD
View
B+
Retailer 8
-
$25,724 NZD
£11,396 GBP
View
B
Retailer 9
-
$36,138 NZD
€19,365 EUR
View
B
Retailer 10
-
$49,382 NZD
$27,785 USD
View
B
Retailer 11
-
$63,307 NZD
$35,620 USD
View
Most Expensive
B
Taylor and Hart
SV5MZIH · Oct 31
$65,749 NZD
$36,994 USD
View
11 more retailers have this diamond
Prices start from $18,633 NZDSave up to $47,116 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+
20.70ct Oval
$18,633 NZD