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Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG807658118

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807658118

Diamond specifications and retailer prices

From $175 SGD
$137 USD
As of October 29, 2026
Save $1,645 SGD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,820 SGD at MOH London · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG807658118 or 807658118. Listed at 11 retailers as of October 29, 2026, with prices from $175 to $1,820, a $1,645 spread on the same certified stone. MOH London lists it at $1,820. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807658118
Dimensions6.54 × 6.48 × 3.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.48 mm1.00 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG807658118
Side View
Table 62.0%Crown 33.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,820 SGD|Low: $173 SGD|High: $1,820 SGD|Avg: $479 SGD|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$175 SGD
Retailer 8$203 SGD
Retailer 2$215 SGD
Retailer 4$368 SGD
Retailer 3$376 SGD
Retailer 9$405 SGD
Retailer 11$409 SGD
Retailer 7$531 SGD
Retailer 6$697 SGD
Retailer 5$736 SGD
MOH London$1,820 SGD

44 data points across 11 retailers

11 retailers$175 SGD to $1,820 SGD

A
Cheapest Retailer
-
$175 SGD
$137 USD
A
Retailer 2
-
$203 SGD
$159 USD
View
A
Retailer 3
-
$215 SGD
$168 USD
View
A
Retailer 4
-
$368 SGD
£226 GBP
View
A
Retailer 5
-
$376 SGD
$294 USD
View
A
Retailer 6
-
$405 SGD
$317 USD
View
B+
Retailer 7
-
$409 SGD
€305 EUR
View
B+
Retailer 8
-
$531 SGD
$415 USD
View
B
Retailer 9
-
$697 SGD
$545 USD
View
B
Retailer 10
-
$736 SGD
$576 USD
View
Most Expensive
C
MOH London
LG807658118 · Oct 29
$1,820 SGD
£1,121 GBP
View
10 more retailers have this diamond
Prices start from $175 SGDSave up to $1,645 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
$175 SGD