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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 $5,877 USD
£4,627 GBP
As of November 1, 2026
Save $19,461 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $25,338 USD 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 $5,877 to $25,338, a $19,461 spread on the same certified stone. Taylor and Hart lists it at $25,338. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $12,050 USD|Low: $5,875 USD|High: $25,338 USD|Avg: $9,427 USD|-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
Retailer 14
Taylor and Hart
November 1, 2026
Retailer 7$5,877 USD
Retailer 3$6,308 USD
Retailer 5$6,560 USD
Retailer 4$7,064 USD
Retailer 12$7,179 USD
Retailer 14$7,317 USD
Retailer 9$7,320 USD
Retailer 6$7,646 USD
Retailer 13$8,686 USD
Retailer 10$8,700 USD
Retailer 8$9,139 USD
Retailer 1$12,050 USD
Retailer 2$20,361 USD
Retailer 11$22,683 USD
Taylor and Hart$25,338 USD

41 data points across 15 retailers

15 retailers$5,877 USD to $25,338 USD

A
Cheapest Retailer
-
$5,877 USD
£4,627 GBP
A
Retailer 2
-
$6,308 USD
View
A
Retailer 3
-
$6,560 USD
View
A
Retailer 4
-
$7,064 USD
View
Final sale: no returns
A
Retailer 5
-
$7,179 USD
View
A
Retailer 6
-
$7,317 USD
View
A
Retailer 7
-
$7,320 USD
View
Retailer 8
-
$7,646 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$8,686 USD
View
A
Retailer 10
-
$8,700 USD
View
A
Retailer 11
-
$9,139 USD
£7,196 GBP
View
B
Retailer 12
-
$12,050 USD
View
B
Retailer 13
-
$20,361 USD
View
B
Retailer 14
-
$22,683 USD
View
Most Expensive
B
Taylor and Hart
LVI9QR2 · Oct 31
$25,338 USD
View
14 more retailers have this diamond
Prices start from $5,877 USDSave up to $19,461 USD

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
$5,877 USD