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Round|Lab Grown|IGI

21.00ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG797636225

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797636225

Diamond specifications and retailer prices

From $12,342 USD
As of November 1, 2026
Save $29,987 USD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $66,800 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 21ct lab-grown round diamond

This 21ct 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 LG797636225 or 797636225. Listed at 16 retailers as of October 31, 2026, with a 243% 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

21.00
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797636225
Dimensions17.76 × 17.69 × 10.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.76 mm17.69 mm21.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797636225
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

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: $55,290 USD|Low: $11,865 USD|High: $66,800 USD|Avg: $20,347 USD|-17.2%
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 1, 2026
Retailer 10$11,865 USD
Retailer 6$12,342 USD
Retailer 12$12,836 USD
Retailer 13$13,094 USD
Retailer 3$14,317 USD
Retailer 8$14,320 USD
Retailer 9$14,602 USD
Retailer 4$14,811 USD
Retailer 11$15,191 USD
Retailer 7$18,419 USD
Retailer 5$22,738 USD
Retailer 2$29,731 USD
Retailer 14$42,329 USD
Do Amore Diamonds$55,290 USD

39 data points across 14 retailers

16 retailers$12,342 USD to $42,329 USD

Retailer 1
-
$11,865 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$12,342 USD
View
B+
Retailer 3
-
$12,836 USD
View
B+
Retailer 4
-
$13,094 USD
View
Retailer 5
-
$14,317 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$14,317 USD
View
B+
Retailer 7
-
$14,320 USD
View
B+
Retailer 8
-
$14,602 USD
View
B+
Retailer 9
-
$14,811 USD
View
B+
Retailer 10
-
$15,191 USD
View
B+
Retailer 11
-
$18,419 USD
£14,503 GBP
View
B
Retailer 12
-
$22,738 USD
View
B
Retailer 13
-
$29,731 USD
A$45,740 AUD
View
B
Retailer 14
-
$42,329 USD
View
Retailer 15
-
$55,290 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-797636225 · Oct 31
$66,800 USD
View
Price under review
15 more retailers have this diamond
Prices start from $12,342 USDSave up to $29,987 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+
21.00ct Round
$12,342 USD