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Round|Lab Grown|IGI

1.01ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG818687215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687215

Diamond specifications and retailer prices

From $180 SGD
$141 USD
As of November 1, 2026
Save $864 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,044 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818687215 or 818687215. Listed at 14 retailers as of November 1, 2026, with prices from $180 to $1,044, a $864 spread on the same certified stone. MOH London lists it at $1,044. 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

1.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687215
Dimensions6.40 × 6.45 × 3.98 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
6.40 mm6.45 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687215
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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 1
Current: $1,044 SGD|Low: $180 SGD|High: $1,057 SGD|Avg: $502 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8$180 SGD
Retailer 9$208 SGD
Retailer 3$348 SGD
Retailer 6$382 SGD
Retailer 5$392 SGD
Retailer 4$397 SGD
Retailer 11$417 SGD
Retailer 7$499 SGD
Retailer 2$574 SGD
Retailer 10$789 SGD
MOH London$1,044 SGD

31 data points across 11 retailers

14 retailers$180 SGD to $1,044 SGD

A
Cheapest Retailer
-
$180 SGD
$141 USD
A
Retailer 2
-
$208 SGD
$163 USD
View
Retailer 3
-
$224 SGD
$175 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$224 SGD
$175 USD
View
A
Retailer 5
-
$348 SGD
$272 USD
View
A
Retailer 6
-
$382 SGD
£235 GBP
View
A
Retailer 7
-
$392 SGD
£241 GBP
View
A
Retailer 8
-
$397 SGD
€296 EUR
View
B+
Retailer 9
-
$417 SGD
$326 USD
View
B+
Retailer 10
-
$499 SGD
$390 USD
View
B+
Retailer 11
-
$574 SGD
$449 USD
View
B
Retailer 12
-
$719 SGD
$562 USD
View
B
Retailer 13
-
$789 SGD
$617 USD
View
Most Expensive
B
MOH London
LG818687215 · Nov 2
$1,044 SGD
£643 GBP
View
13 more retailers have this diamond
Prices start from $180 SGDSave up to $864 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
1.01ct Round
$180 SGD