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Round|Lab Grown|IGI

1.21ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG480171498

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480171498

Diamond specifications and retailer prices

From $882 SGD
$690 USD
As of October 30, 2026
Save $5,177 SGD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,059 SGD at MOH London · As of October 27, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG480171498 or 480171498. Listed at 12 retailers as of October 27, 2026, with prices from $882 to $6,059, a $5,177 spread on the same certified stone. MOH London lists it at $6,059. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480171498
Dimensions6.97 × 6.93 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.97 mm6.93 mm1.21 ctJ / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480171498
Side View
Table 55.0%Crown 31.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.9%

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 30
Current: $6,059 SGD|Low: $882 SGD|High: $6,132 SGD|Avg: $3,021 SGD|+0.1%
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
October 30, 2026
Retailer 2$882 SGD
Retailer 7$1,624 SGD
Retailer 11$1,818 SGD
Retailer 8$1,883 SGD
Retailer 10$1,883 SGD
Retailer 12$2,103 SGD
Retailer 13$2,589 SGD
Retailer 9$2,983 SGD
Retailer 6$3,462 SGD
Retailer 3$3,510 SGD
Retailer 5$4,215 SGD
Retailer 4$5,393 SGD
MOH London$6,059 SGD

21 data points across 13 retailers

12 retailers$882 SGD to $6,059 SGD

A
Cheapest Retailer
-
$882 SGD
$690 USD
B+
Retailer 2
-
$1,624 SGD
$1,270 USD
View
B+
Retailer 3
-
$1,767 SGD
$1,382 USD
View
B+
Retailer 4
-
$1,818 SGD
$1,422 USD
View
Final sale: no returns
Retailer 5
-
$1,883 SGD
$1,473 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$1,883 SGD
$1,473 USD
View
B+
Retailer 7
-
$2,103 SGD
$1,645 USD
View
B
Retailer 8
-
$2,983 SGD
$2,333 USD
View
B
Retailer 9
-
$3,462 SGD
ZAR 43,754 ZAR
View
B
Retailer 10
-
$3,510 SGD
$2,746 USD
View
B
Retailer 11
-
$3,531 SGD
$2,762 USD
View
Most Expensive
B
MOH London
LG480171498 · Oct 27
$6,059 SGD
£3,732 GBP
View
11 more retailers have this diamond
Prices start from $882 SGDSave up to $5,177 SGD

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
$882 SGD