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Round|Lab Grown|IGI

1.03ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG800630464

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800630464

Diamond specifications and retailer prices

From $172 SGD
As of November 1, 2026
Save $1,617 SGD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,789 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG800630464 or 800630464. Listed at 15 retailers as of November 1, 2026, with prices from $172 to $1,789, a $1,617 spread on the same certified stone. MOH London lists it at $1,789. 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

1.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800630464
Dimensions6.48 × 6.53 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.48 mm6.53 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800630464
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

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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: $1,789 SGD|Low: $172 SGD|High: $1,799 SGD|Avg: $453 SGD|+65.1%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 7$172 SGD
Retailer 4$194 SGD
Retailer 14$201 SGD
Retailer 3$215 SGD
Retailer 11$215 SGD
Retailer 12$360 SGD
Retailer 9$361 SGD
Retailer 2$379 SGD
Retailer 6$402 SGD
Retailer 8$423 SGD
Retailer 10$511 SGD
Retailer 15$530 SGD
Retailer 13$688 SGD
Retailer 5$728 SGD
MOH London$1,789 SGD

31 data points across 15 retailers

15 retailers$172 SGD to $1,789 SGD

A
Cheapest Retailer
-
$172 SGD
A
Retailer 2
-
$194 SGD
View
Final sale: no returns
A
Retailer 3
-
$201 SGD
View
Retailer 4
-
$215 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$215 SGD
View
A
Retailer 6
-
$360 SGD
View
A
Retailer 7
-
$361 SGD
View
A
Retailer 8
-
$379 SGD
View
A
Retailer 9
-
$402 SGD
View
A
Retailer 10
-
$423 SGD
View
B+
Retailer 11
-
$511 SGD
View
B+
Retailer 12
-
$530 SGD
View
B+
Retailer 13
-
$688 SGD
View
B
Retailer 14
-
$728 SGD
View
Most Expensive
C
MOH London
LG800630464 · Nov 2
$1,789 SGD
£1,103 GBP
View
14 more retailers have this diamond
Prices start from $172 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
1.03ct Round
$172 SGD