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Round|Lab Grown|IGI

1.22ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG492113518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113518

Diamond specifications and retailer prices

From $677 SGD
As of November 5, 2026
Save $5,192 SGD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,869 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492113518 or 492113518. Listed at 13 retailers as of November 5, 2026, with prices from $677 to $5,869, a $5,192 spread on the same certified stone. MOH London lists it at $5,869. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.22
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113518
Dimensions6.91 × 6.88 × 4.18 mm
L/W Ratio1.00
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
6.91 mm6.88 mm1.22 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113518
Side View
Table 56.5%Crown 33.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

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 5
Current: $5,869 SGD|Low: $677 SGD|High: $5,963 SGD|Avg: $2,757 SGD|-0.2%
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
November 6, 2026
Retailer 9$677 SGD
Retailer 8$1,777 SGD
Retailer 14$1,933 SGD
Retailer 13$1,989 SGD
Retailer 10$2,060 SGD
Retailer 12$2,060 SGD
Retailer 4$2,280 SGD
Retailer 2$2,681 SGD
Retailer 5$2,800 SGD
Retailer 11$3,252 SGD
Retailer 7$3,519 SGD
Retailer 6$3,739 SGD
Retailer 3$3,861 SGD
MOH London$5,869 SGD

44 data points across 14 retailers

13 retailers$677 SGD to $5,869 SGD

A
Cheapest Retailer
-
$677 SGD
B+
Retailer 2
-
$1,777 SGD
View
B+
Retailer 3
-
$1,933 SGD
View
B+
Retailer 4
-
$1,989 SGD
View
Final sale: no returns
Retailer 5
-
$2,060 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,060 SGD
View
B
Retailer 7
-
$2,280 SGD
View
B+
Retailer 8
-
$2,681 SGD
View
B
Retailer 9
-
$3,252 SGD
View
Retailer 10
-
$3,519 SGD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$3,739 SGD
View
B
Retailer 12
-
$3,861 SGD
View
Most Expensive
B
MOH London
LG492113518 · Nov 5
$5,869 SGD
£3,618 GBP
View
12 more retailers have this diamond
Prices start from $677 SGDSave up to $5,192 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
1.22ct Round
$677 SGD