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Round|Lab Grown|IGI

20.00ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG809613809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809613809

Diamond specifications and retailer prices

From $10,445 NZD
£4,627 GBP
As of November 1, 2026
Save $34,588 NZD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $45,033 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG809613809 or 809613809. Listed at 15 retailers as of October 31, 2026, with prices from $10,445 to $45,033, a $34,588 spread on the same certified stone. Taylor and Hart lists it at $45,033. 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
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809613809
Dimensions17.45 × 17.31 × 10.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.45 mm17.31 mm20.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809613809
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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: $16,243 NZD|Low: $10,441 NZD|High: $45,033 NZD|Avg: $16,844 NZD|-3.3%
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
Retailer 14
Taylor and Hart
November 2, 2026
Retailer 8$10,445 NZD
Retailer 3$11,211 NZD
Retailer 5$11,659 NZD
Retailer 4$12,555 NZD
Retailer 12$12,759 NZD
Retailer 14$13,005 NZD
Retailer 9$13,010 NZD
Retailer 6$13,589 NZD
Retailer 13$15,438 NZD
Retailer 10$15,463 NZD
Retailer 1$16,243 NZD
Retailer 7$21,416 NZD
Retailer 2$36,187 NZD
Retailer 11$40,314 NZD
Taylor and Hart$45,033 NZD

41 data points across 15 retailers

15 retailers$10,445 NZD to $45,033 NZD

A
Cheapest Retailer
-
$10,445 NZD
£4,627 GBP
A
Retailer 2
-
$11,211 NZD
$6,308 USD
View
A
Retailer 3
-
$11,659 NZD
$6,560 USD
View
A
Retailer 4
-
$12,555 NZD
$7,064 USD
View
Final sale: no returns
A
Retailer 5
-
$12,759 NZD
$7,179 USD
View
A
Retailer 6
-
$13,005 NZD
$7,317 USD
View
A
Retailer 7
-
$13,010 NZD
$7,320 USD
View
Retailer 8
-
$13,589 NZD
$7,646 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
$15,438 NZD
$8,686 USD
View
A
Retailer 10
-
$15,463 NZD
$8,700 USD
View
A
Retailer 11
-
$16,243 NZD
£7,196 GBP
View
B
Retailer 12
-
$21,416 NZD
$12,050 USD
View
B
Retailer 13
-
$36,187 NZD
$20,361 USD
View
B
Retailer 14
-
$40,314 NZD
$22,683 USD
View
Most Expensive
B
Taylor and Hart
LVI9QR2 · Oct 31
$45,033 NZD
$25,338 USD
View
14 more retailers have this diamond
Prices start from $10,445 NZDSave up to $34,588 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
$10,445 NZD