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Round|Lab Grown|IGI

1.21ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG839609695

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839609695

Diamond specifications and retailer prices

From $310 USD
As of November 1, 2026
Save $960 USD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,270 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839609695 or 839609695. Listed at 19 retailers as of November 1, 2026, with prices from $310 to $1,270, a $960 spread on the same certified stone. Brilliant Earth lists it at $1,270. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839609695
Dimensions6.91 × 6.98 × 4.13 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
6.91 mm6.98 mm1.21 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839609695
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.3%

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: $1,270 USD|Low: $228 USD|High: $1,270 USD|Avg: $609 USD|+23.3%
Brilliant Earth
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 3, 2026
Retailer 13$230 USD
Retailer 12$310 USD
Retailer 7$386 USD
Retailer 9$397 USD
Retailer 2$415 USD
Retailer 6$466 USD
Retailer 11$548 USD
Retailer 8$560 USD
Retailer 5$590 USD
Retailer 3$761 USD
Retailer 4$783 USD
Retailer 14$793 USD
Retailer 10$1,074 USD
Brilliant Earth$1,270 USD

40 data points across 14 retailers

19 retailers$310 USD to $1,270 USD

Retailer 1
-
$184 USD
Price last confirmed 23 days ago
Retailer 2
-
$213 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$228 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$228 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$230 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$310 USD
View
A
Retailer 7
-
$386 USD
€368 EUR
View
A
Retailer 8
-
$397 USD
ZAR 6,411 ZAR
View
A
Retailer 9
-
$415 USD
£327 GBP
View
B+
Retailer 10
-
$466 USD
View
B+
Retailer 11
-
$548 USD
View
B+
Retailer 12
-
$560 USD
A$862 AUD
View
B+
Retailer 13
-
$590 USD
View
Retailer 14
-
$733 USD
View
Price last confirmed 27 days ago
B
Retailer 15
-
$761 USD
SGD 1,029 SGD
View
B
Retailer 16
-
$783 USD
View
B
Retailer 17
-
$793 USD
View
B
Retailer 18
-
$1,074 USD
£846 GBP
View
Most Expensive
B
Brilliant Earth
21659367A · Nov 1
$1,270 USD
View
18 more retailers have this diamond
Prices start from $310 USDSave up to $960 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
1.21ct Round
$310 USD