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Round|Lab Grown|IGI

1.21ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG749574906

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749574906

Diamond specifications and retailer prices

From $202 USD
As of November 3, 2026
Save $966 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,168 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749574906 or 749574906. Listed at 19 retailers as of November 1, 2026, with prices from $202 to $1,168, a $966 spread on the same certified stone. MOH London lists it at $1,168. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749574906
Dimensions6.94 × 6.86 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm6.86 mm1.21 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749574906
Side View
Table 61.0%Crown 32.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.4%

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: Nov 3
Current: $1,168 USD|Low: $194 USD|High: $1,182 USD|Avg: $521 USD
MOH London
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
November 2, 2026
Retailer 15$202 USD
Retailer 5$234 USD
Retailer 7$250 USD
Retailer 17$250 USD
Retailer 9$413 USD
Retailer 13$432 USD
Retailer 3$433 USD
Retailer 11$458 USD
Retailer 12$459 USD
Retailer 4$494 USD
Retailer 14$525 USD
Retailer 2$610 USD
Retailer 16$610 USD
Retailer 10$650 USD
Retailer 6$803 USD
Retailer 8$901 USD
MOH London$1,168 USD

37 data points across 17 retailers

19 retailers$202 USD to $1,168 USD

A
Cheapest Retailer
-
$202 USD
A
Retailer 2
-
$234 USD
View
A
Retailer 3
-
$250 USD
View
Retailer 4
-
$250 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$413 USD
View
A
Retailer 6
-
$432 USD
ZAR 6,971 ZAR
View
A
Retailer 7
-
$433 USD
View
A
Retailer 8
-
$458 USD
£360 GBP
View
B+
Retailer 9
-
$459 USD
€437 EUR
View
B+
Retailer 10
-
$494 USD
View
B+
Retailer 11
-
$525 USD
View
B+
Retailer 12
-
$610 USD
A$938 AUD
View
B+
Retailer 13
-
$610 USD
View
B+
Retailer 14
-
$650 USD
View
Retailer 15
-
$733 USD
View
Price last confirmed 48 days ago
B
Retailer 16
-
$803 USD
View
B
Retailer 17
-
$857 USD
View
B
Retailer 18
-
$919 USD
View
Most Expensive
B
MOH London
LG749574906 · Nov 1
$1,168 USD
£920 GBP
View
18 more retailers have this diamond
Prices start from $202 USDSave up to $966 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
$202 USD