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1.05ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG811647135

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647135

Diamond specifications and retailer prices

From $370 SGD
As of November 6, 2026
Save $703 SGD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,074 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG811647135 or 811647135. Listed at 9 retailers as of November 4, 2026, with prices from $370 to $1,074, a $703 spread on the same certified stone. MOH London lists it at $1,074. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647135
Dimensions6.49 × 6.45 × 4.05 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
6.49 mm6.45 mm1.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647135
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 6
Current: $1,074 SGD|Low: $372 SGD|High: $1,088 SGD|Avg: $569 SGD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$392 SGD
Retailer 5$422 SGD
Retailer 7$425 SGD
Retailer 2$436 SGD
Retailer 4$549 SGD
Retailer 6$596 SGD
MOH London$1,074 SGD

42 data points across 7 retailers

9 retailers$370 SGD to $1,074 SGD

A
Cheapest Retailer
-
$370 SGD
A
Retailer 2
-
$392 SGD
View
A
Retailer 3
-
$422 SGD
View
A
Retailer 4
-
$425 SGD
View
B+
Retailer 5
-
$436 SGD
View
B+
Retailer 6
-
$549 SGD
View
B+
Retailer 7
-
$596 SGD
View
B
Retailer 8
-
$810 SGD
View
Most Expensive
B
MOH London
LG811647135 · Nov 4
$1,074 SGD
£662 GBP
View
8 more retailers have this diamond
Prices start from $370 SGDSave up to $703 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
1.05ct Round
$370 SGD