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Round|Lab Grown|IGI

1.71ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG559281314

Shape and cutting style on the report: Round brilliant

Certificate IGI LG559281314

Diamond specifications and retailer prices

From $260 SGD
$203 USD
As of October 29, 2026
Save $1,166 SGD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,425 SGD at MOH London · As of October 28, 2026
View at MOH London

About this 1.71ct lab-grown round diamond

This 1.71ct 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 LG559281314 or 559281314. Listed at 9 retailers as of October 28, 2026, with prices from $260 to $1,425, a $1,166 spread on the same certified stone. MOH London lists it at $1,425. 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

1.71
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559281314
Dimensions7.72 × 7.69 × 4.69 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
7.72 mm7.69 mm1.71 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559281314
Side View
Table 56.5%Crown 33.7°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.9%

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: $1,425 SGD|Low: $215 SGD|High: $1,866 SGD|Avg: $854 SGD|-2.1%
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
October 29, 2026
Retailer 12$260 SGD
Retailer 13$294 SGD
Retailer 11$302 SGD
Retailer 10$556 SGD
Retailer 2$617 SGD
Retailer 4$691 SGD
Retailer 5$770 SGD
Retailer 14$901 SGD
Retailer 3$1,007 SGD
Retailer 8$1,039 SGD
Retailer 7$1,119 SGD
Retailer 9$1,143 SGD
MOH London$1,425 SGD
Retailer 6$1,866 SGD

38 data points across 14 retailers

9 retailers$260 SGD to $1,425 SGD

A
Cheapest Retailer
-
$260 SGD
$203 USD
A
Retailer 2
-
$294 SGD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
$302 SGD
$236 USD
View
B+
Retailer 4
-
$556 SGD
$435 USD
View
A
Retailer 5
-
$617 SGD
£380 GBP
View
B
Retailer 6
-
$1,039 SGD
$813 USD
View
Retailer 7
-
$1,119 SGD
$875 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$1,143 SGD
$894 USD
View
Most Expensive
B
MOH London
LG559281314 · Oct 26
$1,425 SGD
£878 GBP
View
8 more retailers have this diamond
Prices start from $260 SGDSave up to $1,166 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
1.71ct Round
$260 SGD