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Round|Lab Grown|IGI

1.21ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG668433536

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668433536

Diamond specifications and retailer prices

From €167 EUR
$187 USD
As of November 1, 2026
Save €832 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €999 EUR at Brilliant Earth · As of October 31, 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 LG668433536 or 668433536. Listed at 20 retailers as of October 31, 2026, with prices from €167 to €999, a €832 spread on the same certified stone. Brilliant Earth lists it at €999. 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 angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668433536
Dimensions6.83 × 6.89 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.83 mm6.89 mm1.21 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668433536
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.1%

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: €999 EUR|Low: €160 EUR|High: €1,132 EUR|Avg: €459 EUR|-11.8%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 20€167 EUR
Retailer 19€186 EUR
Retailer 12€193 EUR
Retailer 6€207 EUR
Retailer 7€207 EUR
Retailer 3€228 EUR
Retailer 9€278 EUR
Retailer 15€357 EUR
Retailer 14€374 EUR
Retailer 2€382 EUR
Retailer 4€416 EUR
Retailer 8€426 EUR
Retailer 13€504 EUR
Retailer 16€530 EUR
Retailer 10€664 EUR
Retailer 18€667 EUR
Retailer 11€693 EUR
Retailer 5€713 EUR
Retailer 17€968 EUR
Brilliant Earth€999 EUR

43 data points across 20 retailers

20 retailers€167 EUR to €999 EUR

A
Cheapest Retailer
-
€167 EUR
$187 USD
A
Retailer 2
-
€186 EUR
$209 USD
View
Final sale: no returns
A
Retailer 3
-
€193 EUR
$217 USD
View
Retailer 4
-
€207 EUR
$232 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€207 EUR
$232 USD
View
A
Retailer 6
-
€228 EUR
HK$2,000 HKD
View
B+
Retailer 7
-
€278 EUR
$312 USD
View
A
Retailer 8
-
€357 EUR
ZAR 6,465 ZAR
View
A
Retailer 9
-
€374 EUR
£330 GBP
View
A
Retailer 10
-
€382 EUR
View
B+
Retailer 11
-
€416 EUR
$467 USD
View
B+
Retailer 12
-
€426 EUR
$478 USD
View
B+
Retailer 13
-
€504 EUR
A$870 AUD
View
B+
Retailer 14
-
€530 EUR
$595 USD
View
B
Retailer 15
-
€664 EUR
$745 USD
View
B
Retailer 16
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€667 EUR
$748 USD
View
B
Retailer 17
-
€693 EUR
$777 USD
View
B
Retailer 18
-
€713 EUR
$799 USD
View
B
Retailer 19
-
€968 EUR
£855 GBP
View
Most Expensive
B
Brilliant Earth
15027367A · Oct 31
€999 EUR
$1,120 USD
View
19 more retailers have this diamond
Prices start from €167 EURSave up to €832 EUR

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
€167 EUR