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Radiant|Lab Grown|IGI

1.21ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG610348588

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG610348588

Diamond specifications and retailer prices

From $329 USD
As of October 27, 2026
Save $1,225 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,554 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG610348588 or 610348588. Listed at 17 retailers as of October 27, 2026, with prices from $329 to $1,554, a $1,225 spread on the same certified stone. MOH London lists it at $1,554. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610348588
Dimensions7.48 × 5.38 × 3.51 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm5.38 mm1.21 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610348588
Side View
Table 61.0%Crown 38.4°Girdle: MediumPavilion 33.3°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,554 USD|Low: $316 USD|High: $1,565 USD|Avg: $714 USD|-0.6%
MOH London
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
October 29, 2026
Retailer 14$329 USD
Retailer 13$368 USD
Retailer 5$382 USD
Retailer 6$408 USD
Retailer 15$408 USD
Retailer 11$475 USD
Retailer 10$560 USD
Retailer 4$662 USD
Retailer 9$702 USD
Retailer 7$728 USD
Retailer 2$729 USD
Retailer 8$992 USD
Retailer 12$1,198 USD
Retailer 3$1,313 USD
MOH London$1,554 USD

43 data points across 15 retailers

17 retailers$329 USD to $1,554 USD

A
Cheapest Retailer
-
$329 USD
A
Retailer 2
-
$368 USD
View
Final sale: no returns
A
Retailer 3
-
$382 USD
View
A
Retailer 4
-
$408 USD
View
A
Retailer 5
-
$408 USD
View
Retailer 6
-
$475 USD
£374 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$560 USD
View
B+
Retailer 8
-
$600 USD
View
B+
Retailer 9
-
$662 USD
View
B+
Retailer 10
-
$702 USD
ZAR 11,338 ZAR
View
B+
Retailer 11
-
$728 USD
View
B+
Retailer 12
-
$729 USD
£574 GBP
View
B+
Retailer 13
-
$992 USD
A$1,526 AUD
View
B
Retailer 14
-
$1,198 USD
View
B
Retailer 15
-
$1,299 USD
View
B
Retailer 16
-
$1,313 USD
View
Most Expensive
B
MOH London
LG610348588 · Oct 29
$1,554 USD
£1,224 GBP
View
16 more retailers have this diamond
Prices start from $329 USDSave up to $1,225 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 Radiant
$329 USD