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Round|Lab Grown|IGI

20.03ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG704515928

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704515928

Diamond specifications and retailer prices

From $14,443 USD
As of November 1, 2026
Save $28,467 USD (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $65,510 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 20.03ct lab-grown round diamond

This 20.03ct 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 LG704515928 or 704515928. Listed at 16 retailers as of November 1, 2026, with a 197% 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

20.03
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704515928
Dimensions17.59 × 17.46 × 10.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.59 mm17.46 mm20.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704515928
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $65,060 USD|Low: $14,443 USD|High: $85,020 USD|Avg: $30,233 USD|-23.5%
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
Retailer 15
November 2, 2026
Retailer 3$14,443 USD
Retailer 6$14,523 USD
Retailer 13$14,871 USD
Retailer 12$15,870 USD
Retailer 10$15,989 USD
Retailer 14$17,340 USD
Retailer 4$17,427 USD
Retailer 7$23,442 USD
Retailer 11$25,678 USD
Retailer 2$29,980 USD
Retailer 9$34,903 USD
Retailer 15$41,332 USD
Retailer 8$42,910 USD
Retailer 5$49,090 USD
Do Amore Diamonds$65,060 USD

37 data points across 15 retailers

16 retailers$14,443 USD to $42,910 USD

B+
Cheapest Retailer
-
$14,443 USD
B+
Retailer 2
-
$14,523 USD
View
B+
Retailer 3
-
$14,871 USD
View
B+
Retailer 4
-
$15,870 USD
View
B+
Retailer 5
-
$15,989 USD
View
B+
Retailer 6
-
$17,340 USD
View
B
Retailer 7
-
$17,427 USD
View
B
Retailer 8
-
$23,442 USD
View
Final sale: no returns
B
Retailer 9
-
$25,678 USD
View
B
Retailer 10
-
$29,980 USD
€28,552 EUR
View
B
Retailer 11
-
$34,903 USD
A$53,697 AUD
View
B
Retailer 12
-
$41,332 USD
View
B
Retailer 13
-
$42,910 USD
View
Retailer 14
-
$49,090 USD
View
Price under review
Retailer 15
-
$65,060 USD
View
Price under review
Most Expensive
Do Amore Diamonds
19-859306 · Nov 2
$65,510 USD
View
Price under review
15 more retailers have this diamond
Prices start from $14,443 USDSave up to $28,467 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.

B+
20.03ct Round
$14,443 USD