Round|Lab Grown|IGI

0.21ct F VS1 Round Lab Grown Diamond

VG • F/VS1 • IGI LG639413318

Shape and cutting style on the report: Round brilliant

Certificate IGI LG639413318

Diamond specifications and retailer prices

From $80 USD
As of November 1, 2026
Save $317 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $397 USD at B2C Jewels · As of November 2, 2026
View at B2C Jewels

About this 0.21ct lab-grown round diamond

This 0.21ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG639413318 or 639413318. Listed at 9 retailers as of November 1, 2026, with prices from $80 to $397, a $317 spread on the same certified stone. B2C Jewels lists it at $397. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.21
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639413318
Dimensions3.83 × 3.87 × 2.31 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
3.83 mm3.87 mm0.21 ctF / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG639413318
Side View
Table 59.0%Crown 35.5°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 60.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $397 USD|Low: $77 USD|High: $401 USD|Avg: $210 USD
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$80 USD
Retailer 6$106 USD
Retailer 7$106 USD
Retailer 3$130 USD
Retailer 5$140 USD
Retailer 2$196 USD
B2C Jewels$397 USD
Retailer 8$401 USD

14 data points across 8 retailers

9 retailers$80 USD to $397 USD

A
Cheapest Retailer
-
$80 USD
B+
Retailer 2
-
$93 USD
View
Retailer 3
-
$106 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$106 USD
View
B+
Retailer 5
-
$130 USD
View
B+
Retailer 6
-
$140 USD
View
B
Retailer 7
-
$196 USD
€187 EUR
View
B
Retailer 8
-
$320 USD
View
Most Expensive
B
B2C Jewels
31227342 · Nov 2
$397 USD
View
8 more retailers have this diamond
Prices start from $80 USDSave up to $317 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
0.21ct Round
$80 USD