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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG783635054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783635054

Diamond specifications and retailer prices

From $195 SGD
As of November 6, 2026
Save $1,617 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,812 SGD at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783635054 or 783635054. Listed at 17 retailers as of November 5, 2026, with prices from $195 to $1,812, a $1,617 spread on the same certified stone. MOH London lists it at $1,812. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783635054
Dimensions6.60 × 6.66 × 3.96 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
6.60 mm6.66 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783635054
Side View
Table 60.0%Crown 33.3°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 59.8%

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: $1,812 SGD|Low: $178 SGD|High: $1,812 SGD|Avg: $477 SGD|+64.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 6, 2026
Retailer 5$178 SGD
Retailer 12$195 SGD
Retailer 3$206 SGD
Retailer 4$220 SGD
Retailer 15$245 SGD
Retailer 11$365 SGD
Retailer 2$376 SGD
Retailer 17$384 SGD
Retailer 13$407 SGD
Retailer 10$427 SGD
Retailer 8$530 SGD
Retailer 7$535 SGD
Retailer 14$552 SGD
Retailer 16$599 SGD
Retailer 9$639 SGD
Retailer 6$708 SGD
MOH London$1,812 SGD

41 data points across 17 retailers

17 retailers$195 SGD to $1,812 SGD

Retailer 1
-
$178 SGD
Price last confirmed 11 days ago
A
Retailer 2
-
$195 SGD
View
Final sale: no returns
Retailer 3
-
$206 SGD
View
Price last confirmed 10 days ago
Retailer 4
-
$220 SGD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$245 SGD
View
A
Retailer 6
-
$365 SGD
View
A
Retailer 7
-
$376 SGD
View
A
Retailer 8
-
$384 SGD
View
A
Retailer 9
-
$407 SGD
View
A
Retailer 10
-
$427 SGD
View
Retailer 11
-
$530 SGD
View
Price last confirmed 30 days ago
Retailer 12
-
$535 SGD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$552 SGD
View
B+
Retailer 14
-
$599 SGD
View
B+
Retailer 15
-
$639 SGD
View
Retailer 16
-
$708 SGD
View
Price last confirmed 13 days ago
Most Expensive
C
MOH London
LG783635054 · Nov 5
$1,812 SGD
£1,117 GBP
View
16 more retailers have this diamond
Prices start from $195 SGDSave up to $1,617 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
$195 SGD