CaratHunter
Plans
Marquise|Lab Grown|IGI

1.33ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG787660815

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787660815

Diamond specifications and retailer prices

From $542 SGD
$424 USD
As of November 1, 2026
Save $916 SGD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,459 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.33ct lab-grown marquise diamond

This 1.33ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787660815 or 787660815. Listed at 7 retailers as of November 1, 2026, with prices from $542 to $1,459, a $916 spread on the same certified stone. MOH London lists it at $1,459. 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

1.33
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787660815
Dimensions11.07 × 5.64 × 3.69 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.07 mm5.64 mm1.33 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787660815
Side View
Table 59.0%Crown 37.7°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,459 SGD|Low: $510 SGD|High: $1,476 SGD|Avg: $828 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 3$542 SGD
Retailer 2$570 SGD
Retailer 6$628 SGD
Retailer 4$728 SGD
Retailer 5$1,071 SGD
MOH London$1,459 SGD

31 data points across 6 retailers

7 retailers$542 SGD to $1,459 SGD

A
Cheapest Retailer
-
$542 SGD
$424 USD
B+
Retailer 2
-
$570 SGD
£351 GBP
View
B+
Retailer 3
-
$628 SGD
$491 USD
View
B+
Retailer 4
-
$728 SGD
$569 USD
View
B
Retailer 5
-
$927 SGD
$725 USD
View
B
Retailer 6
-
$1,071 SGD
$838 USD
View
Most Expensive
B
MOH London
LG787660815 · Nov 2
$1,459 SGD
£898 GBP
View
6 more retailers have this diamond
Prices start from $542 SGDSave up to $916 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
1.33ct Marquise
$542 SGD