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Round|Lab Grown|IGI

20.05ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG791632168

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791632168

Diamond specifications and retailer prices

From $8,109 USD
As of November 1, 2026
Save $24,644 USD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $60,630 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 20.05ct lab-grown round diamond

This 20.05ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791632168 or 791632168. Listed at 16 retailers as of October 31, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

20.05
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791632168
Dimensions17.74 × 17.67 × 10.41 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
17.74 mm17.67 mm20.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791632168
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.8%

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: $50,600 USD|Low: $8,109 USD|High: $60,630 USD|Avg: $17,714 USD|-16.5%
Do Amore Diamonds
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
November 2, 2026
Retailer 6$8,109 USD
Retailer 12$8,434 USD
Retailer 13$9,014 USD
Retailer 3$9,407 USD
Retailer 8$9,410 USD
Retailer 10$9,890 USD
Retailer 9$10,323 USD
Retailer 11$10,464 USD
Retailer 4$11,678 USD
Retailer 2$12,484 USD
Retailer 7$19,690 USD
Retailer 5$20,070 USD
Retailer 14$32,753 USD
Do Amore Diamonds$50,600 USD

40 data points across 14 retailers

16 retailers$8,109 USD to $32,753 USD

A
Cheapest Retailer
-
$8,109 USD
A
Retailer 2
-
$8,434 USD
View
A
Retailer 3
-
$9,014 USD
View
Retailer 4
-
$9,407 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$9,407 USD
View
A
Retailer 6
-
$9,410 USD
View
Retailer 7
-
$9,890 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$10,323 USD
View
B+
Retailer 9
-
$10,464 USD
View
B+
Retailer 10
-
$11,678 USD
View
B+
Retailer 11
-
$12,484 USD
£9,830 GBP
View
B
Retailer 12
-
$19,690 USD
A$30,293 AUD
View
B
Retailer 13
-
$20,070 USD
View
B
Retailer 14
-
$32,753 USD
View
Retailer 15
-
$50,600 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-791632168 · Nov 2
$60,630 USD
View
Price under review
15 more retailers have this diamond
Prices start from $8,109 USDSave up to $24,644 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
20.05ct Round
$8,109 USD