Round|Lab Grown|IGI

20.00ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG797637410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797637410

Diamond specifications and retailer prices

From $9,740 NZD
£4,315 GBP
As of November 2, 2026
Save $49,018 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $58,758 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 20ct lab-grown round diamond

This 20ct lab-grown round 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 LG797637410 or 797637410. Listed at 15 retailers as of November 2, 2026, with prices from $9,740 to $58,758, a $49,018 spread on the same certified stone. Brilliant Earth lists it at $58,758. 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

20.00
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797637410
Dimensions17.36 × 17.28 × 10.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.36 mm17.28 mm20.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797637410
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.9%

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 2
Current: $58,758 NZD|Low: $9,737 NZD|High: $59,042 NZD|Avg: $20,315 NZD|-0.5%
Brilliant Earth
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
Retailer 15
November 2, 2026
Retailer 9$9,740 NZD
Retailer 5$10,454 NZD
Retailer 13$10,957 NZD
Retailer 4$12,128 NZD
Retailer 6$12,128 NZD
Retailer 11$12,130 NZD
Retailer 15$12,173 NZD
Retailer 7$14,396 NZD
Retailer 12$14,673 NZD
Retailer 10$15,116 NZD
Retailer 8$18,720 NZD
Retailer 2$26,039 NZD
Retailer 14$40,048 NZD
Retailer 3$42,453 NZD
Brilliant Earth$58,758 NZD

42 data points across 15 retailers

15 retailers$9,740 NZD to $58,758 NZD

A
Cheapest Retailer
-
$9,740 NZD
£4,315 GBP
A
Retailer 2
-
$10,454 NZD
$5,882 USD
View
A
Retailer 3
-
$10,957 NZD
$6,165 USD
View
A
Retailer 4
-
$12,128 NZD
$6,824 USD
View
Retailer 5
-
$12,128 NZD
$6,824 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$12,130 NZD
$6,825 USD
View
A
Retailer 7
-
$12,173 NZD
$6,849 USD
View
A
Retailer 8
-
$14,396 NZD
$8,100 USD
View
A
Retailer 9
-
$14,673 NZD
$8,256 USD
View
A
Retailer 10
-
$15,116 NZD
£6,697 GBP
View
B+
Retailer 11
-
$18,720 NZD
$10,533 USD
View
B+
Retailer 12
-
$26,039 NZD
€13,953 EUR
View
B
Retailer 13
-
$40,048 NZD
$22,533 USD
View
B
Retailer 14
-
$42,453 NZD
$23,886 USD
View
Most Expensive
B
Brilliant Earth
19674411A · Nov 2
$58,758 NZD
$33,060 USD
View
14 more retailers have this diamond
Prices start from $9,740 NZDSave up to $49,018 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
20.00ct Round
$9,740 NZD