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Round|Lab Grown|IGI

1.00ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG842651305

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842651305

Diamond specifications and retailer prices

From $189 SGD
As of November 5, 2026
Save $1,574 SGD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,763 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842651305 or 842651305. Listed at 9 retailers as of November 5, 2026, with prices from $189 to $1,763, a $1,574 spread on the same certified stone. MOH London lists it at $1,763. 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

1.00
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842651305
Dimensions6.46 × 6.49 × 3.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm6.49 mm1.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842651305
Side View
Table 60.0%Crown 32.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.5%

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: $1,763 SGD|Low: $189 SGD|High: $1,818 SGD|Avg: $635 SGD|+68.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8$189 SGD
Retailer 5$287 SGD
Retailer 6$338 SGD
Retailer 3$353 SGD
Retailer 2$410 SGD
Retailer 7$719 SGD
Retailer 9$752 SGD
Retailer 4$1,254 SGD
MOH London$1,763 SGD

27 data points across 9 retailers

9 retailers$189 SGD to $1,763 SGD

A
Cheapest Retailer
-
$189 SGD
Final sale: no returns
B+
Retailer 2
-
$287 SGD
View
A
Retailer 3
-
$338 SGD
View
A
Retailer 4
-
$353 SGD
View
A
Retailer 5
-
$410 SGD
View
B
Retailer 6
-
$719 SGD
View
B
Retailer 7
-
$752 SGD
View
B
Retailer 8
-
$1,254 SGD
View
Most Expensive
C
MOH London
LG842651305 · Nov 5
$1,763 SGD
£1,087 GBP
View
8 more retailers have this diamond
Prices start from $189 SGDSave up to $1,574 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
1.00ct Round
$189 SGD