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Round|Lab Grown|IGI

20.09ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG795623742

Shape and cutting style on the report: Round brilliant

Certificate IGI LG795623742

Diamond specifications and retailer prices

From $14,670 NZD
£6,499 GBP
As of November 2, 2026
Save $45,829 NZD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $60,499 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 20.09ct lab-grown round diamond

This 20.09ct 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 LG795623742 or 795623742. Listed at 15 retailers as of November 2, 2026, with prices from $14,670 to $60,499, a $45,829 spread on the same certified stone. Brilliant Earth lists it at $60,499. 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

20.09
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795623742
Dimensions17.50 × 17.44 × 10.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.50 mm17.44 mm20.09 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795623742
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 61.7%

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 2
Current: $60,499 NZD|Low: $14,666 NZD|High: $60,499 NZD|Avg: $22,180 NZD
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
November 2, 2026
Retailer 7$14,670 NZD
Retailer 11$15,747 NZD
Retailer 3$16,376 NZD
Retailer 13$17,080 NZD
Retailer 5$18,267 NZD
Retailer 12$18,267 NZD
Retailer 9$18,271 NZD
Retailer 10$19,996 NZD
Retailer 4$20,544 NZD
Retailer 6$21,129 NZD
Retailer 8$21,957 NZD
Retailer 2$34,901 NZD
Brilliant Earth$60,499 NZD

40 data points across 13 retailers

15 retailers$14,670 NZD to $60,499 NZD

A
Cheapest Retailer
-
$14,670 NZD
£6,499 GBP
A
Retailer 2
-
$15,747 NZD
$8,860 USD
View
B+
Retailer 3
-
$16,376 NZD
$9,214 USD
View
B+
Retailer 4
-
$17,080 NZD
$9,610 USD
View
B+
Retailer 5
-
$18,267 NZD
$10,278 USD
View
Retailer 6
-
$18,267 NZD
$10,278 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$18,271 NZD
$10,280 USD
View
B+
Retailer 8
-
$19,996 NZD
$11,251 USD
View
B+
Retailer 9
-
$20,544 NZD
$11,559 USD
View
B+
Retailer 10
-
$21,129 NZD
$11,888 USD
View
B+
Retailer 11
-
$21,957 NZD
£9,728 GBP
View
B
Retailer 12
-
$34,901 NZD
€18,702 EUR
View
B
Retailer 13
-
$42,230 NZD
$23,761 USD
View
B
Retailer 14
-
$57,711 NZD
$32,471 USD
View
Most Expensive
B
Brilliant Earth
19979857A · Nov 2
$60,499 NZD
$34,040 USD
View
14 more retailers have this diamond
Prices start from $14,670 NZDSave up to $45,829 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
20.09ct Round
$14,670 NZD