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Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG809685305

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809685305

Diamond specifications and retailer prices

From $410 SGD
£252 GBP
As of November 2, 2026
Save $702 SGD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,112 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise 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 LG809685305 or 809685305. Listed at 7 retailers as of November 1, 2026, with prices from $410 to $1,112, a $702 spread on the same certified stone. MOH London lists it at $1,112. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809685305
Dimensions10.05 × 5.39 × 3.33 mm
L/W Ratio1.86
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.05 mm5.39 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809685305
Side View
Table 59.0%Crown 30.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.8%

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 2
Current: $1,112 SGD|Low: $399 SGD|High: $1,182 SGD|Avg: $634 SGD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$410 SGD
Retailer 4$410 SGD
Retailer 6$437 SGD
Retailer 3$452 SGD
Retailer 5$646 SGD
Retailer 7$835 SGD
MOH London$1,112 SGD

41 data points across 7 retailers

7 retailers$410 SGD to $1,112 SGD

A
Cheapest Retailer
-
$410 SGD
£252 GBP
A
Retailer 2
-
$410 SGD
$321 USD
View
A
Retailer 3
-
$437 SGD
$342 USD
View
A
Retailer 4
-
$452 SGD
£278 GBP
View
B+
Retailer 5
-
$646 SGD
$505 USD
View
B
Retailer 6
-
$835 SGD
$653 USD
View
Most Expensive
B
MOH London
LG809685305 · Nov 1
$1,112 SGD
£685 GBP
View
6 more retailers have this diamond
Prices start from $410 SGDSave up to $702 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 Marquise
$410 SGD