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Round|Lab Grown|IGI

1.16ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG310861362

Shape and cutting style on the report: Round brilliant

Certificate IGI LG310861362

Diamond specifications and retailer prices

From $474 SGD
$371 USD
As of October 30, 2026
Save $898 SGD (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,372 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.16ct lab-grown round diamond

This 1.16ct 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 LG310861362 or 310861362. Listed at 5 retailers as of October 29, 2026, with prices from $474 to $1,372, a $898 spread on the same certified stone. MOH London lists it at $1,372. 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

1.16
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG310861362
Dimensions6.75 × 6.72 × 4.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANTThis Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.75 mm6.72 mm1.16 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG310861362
Side View
Table 59.5%Crown 34.4°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.4%

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: Oct 30
Current: $1,372 SGD|Low: $442 SGD|High: $1,380 SGD|Avg: $795 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$474 SGD
Retailer 2$537 SGD
Retailer 5$586 SGD
Retailer 4$676 SGD
Retailer 6$1,133 SGD
MOH London$1,372 SGD

13 data points across 6 retailers

5 retailers$474 SGD to $1,372 SGD

A
Cheapest Retailer
-
$474 SGD
$371 USD
Retailer 2
-
$537 SGD
$420 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$586 SGD
$458 USD
View
A
Retailer 4
-
$676 SGD
$529 USD
View
Most Expensive
B+
MOH London
LG_310861362 · Oct 29
$1,372 SGD
£845 GBP
View
4 more retailers have this diamond
Prices start from $474 SGDSave up to $898 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
1.16ct Round
$474 SGD