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Round|Lab Grown|IGI

1.33ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG773646377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773646377

Diamond specifications and retailer prices

From $295 SGD
As of November 6, 2026
Save $577 SGD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,255 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 1.33ct lab-grown round diamond

This 1.33ct lab-grown round 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 LG773646377 or 773646377. Listed at 17 retailers as of November 6, 2026, with a 196% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773646377
Dimensions7.04 × 6.98 × 4.41 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
7.04 mm6.98 mm1.33 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773646377
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,255 SGD|Low: $208 SGD|High: $1,283 SGD|Avg: $583 SGD|-1.2%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 4$217 SGD
Retailer 8$251 SGD
Retailer 9$268 SGD
Retailer 15$295 SGD
Retailer 2$441 SGD
Retailer 10$461 SGD
Retailer 11$461 SGD
Retailer 12$475 SGD
Retailer 6$570 SGD
Retailer 7$593 SGD
Retailer 17$622 SGD
Retailer 14$623 SGD
Retailer 13$701 SGD
Retailer 3$795 SGD
Retailer 5$861 SGD
Retailer 16$871 SGD
MOH London$1,255 SGD

43 data points across 17 retailers

17 retailers$295 SGD to $871 SGD

Retailer 1
-
$217 SGD
Price last confirmed 12 days ago
Retailer 2
-
$251 SGD
View
Price last confirmed 11 days ago
Retailer 3
-
$268 SGD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$295 SGD
View
A
Retailer 5
-
$441 SGD
View
A
Retailer 6
-
$461 SGD
View
A
Retailer 7
-
$461 SGD
View
B+
Retailer 8
-
$475 SGD
View
A
Retailer 9
-
$570 SGD
View
Retailer 10
-
$593 SGD
View
Price last confirmed 12 days ago
Retailer 11
-
$622 SGD
View
Price last confirmed 13 days ago
A
Retailer 12
-
$623 SGD
View
B+
Retailer 13
-
$701 SGD
View
B+
Retailer 14
-
$795 SGD
View
Retailer 15
-
$861 SGD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$871 SGD
View
Most Expensive
MOH London
LG773646377 · Oct 26
$1,255 SGD
£771 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $295 SGDSave up to $577 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 Round
$295 SGD