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Round|Lab Grown|IGI

1.78ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG582393761

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582393761

Diamond specifications and retailer prices

From $268 SGD
$210 USD
As of October 29, 2026
Save $1,209 SGD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,477 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582393761 or 582393761. Listed at 9 retailers as of October 26, 2026, with prices from $268 to $1,477, a $1,209 spread on the same certified stone. MOH London lists it at $1,477. 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

1.78
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582393761
Dimensions7.74 × 7.72 × 4.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.74 mm7.72 mm1.78 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582393761
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

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: Oct 29
Current: $1,477 SGD|Low: $222 SGD|High: $1,943 SGD|Avg: $888 SGD|-2.2%
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
October 29, 2026
Retailer 12$268 SGD
Retailer 13$304 SGD
Retailer 11$312 SGD
Retailer 10$573 SGD
Retailer 2$639 SGD
Retailer 4$719 SGD
Retailer 5$787 SGD
Retailer 14$973 SGD
Retailer 3$1,032 SGD
Retailer 8$1,076 SGD
Retailer 7$1,112 SGD
Retailer 9$1,184 SGD
MOH London$1,477 SGD
Retailer 6$1,943 SGD

32 data points across 14 retailers

9 retailers$268 SGD to $1,477 SGD

A
Cheapest Retailer
-
$268 SGD
$210 USD
A
Retailer 2
-
$304 SGD
$238 USD
View
Final sale: no returns
A
Retailer 3
-
$312 SGD
$244 USD
View
B+
Retailer 4
-
$573 SGD
$448 USD
View
A
Retailer 5
-
$639 SGD
£393 GBP
View
B
Retailer 6
-
$1,076 SGD
$842 USD
View
B
Retailer 7
-
$1,112 SGD
$870 USD
View
B+
Retailer 8
-
$1,184 SGD
$926 USD
View
Most Expensive
B
MOH London
LG582393761 · Oct 26
$1,477 SGD
£910 GBP
View
8 more retailers have this diamond
Prices start from $268 SGDSave up to $1,209 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
1.78ct Round
$268 SGD