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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG783638340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783638340

Diamond specifications and retailer prices

From $185 SGD
As of November 5, 2026
Save $889 SGD (83%) vs most expensive(unlock to see where)
16 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 LG783638340 or 783638340. Listed at 16 retailers as of November 4, 2026, with prices from $185 to $1,074, a $889 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783638340
Dimensions6.51 × 6.47 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.51 mm6.47 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783638340
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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: $1,074 SGD|Low: $179 SGD|High: $1,088 SGD|Avg: $500 SGD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$185 SGD
Retailer 7$230 SGD
Retailer 3$392 SGD
Retailer 2$406 SGD
Retailer 8$425 SGD
Retailer 10$487 SGD
Retailer 9$544 SGD
Retailer 4$588 SGD
Retailer 5$782 SGD
MOH London$1,074 SGD

43 data points across 10 retailers

16 retailers$185 SGD to $1,074 SGD

A
Cheapest Retailer
-
$185 SGD
A
Retailer 2
-
$216 SGD
View
Retailer 3
-
$230 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$230 SGD
View
A
Retailer 5
-
$370 SGD
View
A
Retailer 6
-
$392 SGD
View
A
Retailer 7
-
$406 SGD
View
A
Retailer 8
-
$425 SGD
View
Retailer 9
-
$487 SGD
View
Price last confirmed 65 days ago
B+
Retailer 10
-
$544 SGD
View
B+
Retailer 11
-
$588 SGD
View
B+
Retailer 12
-
$596 SGD
View
B
Retailer 13
-
$740 SGD
View
B
Retailer 14
-
$782 SGD
View
B
Retailer 15
-
$810 SGD
View
Most Expensive
B
MOH London
LG783638340 · Nov 4
$1,074 SGD
£662 GBP
View
15 more retailers have this diamond
Prices start from $185 SGDSave up to $889 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
$185 SGD