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Round|Lab Grown|IGI

1.71ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG799635486

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799635486

Diamond specifications and retailer prices

From $286 SGD
$224 USD
As of November 1, 2026
Save $1,138 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,424 SGD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG799635486 or 799635486. Listed at 16 retailers as of November 1, 2026, with prices from $286 to $1,424, a $1,138 spread on the same certified stone. MOH London lists it at $1,424. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635486
Dimensions7.69 × 7.73 × 4.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm7.73 mm1.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635486
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

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: Nov 1
Current: $1,424 SGD|Low: $286 SGD|High: $1,442 SGD|Avg: $817 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$286 SGD
Retailer 8$355 SGD
Retailer 3$597 SGD
Retailer 9$605 SGD
Retailer 4$661 SGD
Retailer 10$689 SGD
Retailer 2$943 SGD
Retailer 5$1,061 SGD
Retailer 7$1,330 SGD
MOH London$1,424 SGD

42 data points across 10 retailers

16 retailers$286 SGD to $1,424 SGD

A
Cheapest Retailer
-
$286 SGD
$224 USD
A
Retailer 2
-
$332 SGD
$260 USD
View
Retailer 3
-
$355 SGD
$278 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$355 SGD
$278 USD
View
A
Retailer 5
-
$597 SGD
€445 EUR
View
B+
Retailer 6
-
$605 SGD
$473 USD
View
A
Retailer 7
-
$661 SGD
£407 GBP
View
A
Retailer 8
-
$680 SGD
$532 USD
View
A
Retailer 9
-
$689 SGD
$539 USD
View
B+
Retailer 10
-
$943 SGD
$738 USD
View
Retailer 11
-
$1,042 SGD
$815 USD
View
Price last confirmed 47 days ago
B+
Retailer 12
-
$1,061 SGD
$830 USD
View
B+
Retailer 13
-
$1,143 SGD
$894 USD
View
B
Retailer 14
-
$1,210 SGD
$946 USD
View
B
Retailer 15
-
$1,330 SGD
$1,040 USD
View
Most Expensive
B
MOH London
LG799635486 · Nov 1
$1,424 SGD
£877 GBP
View
15 more retailers have this diamond
Prices start from $286 SGDSave up to $1,138 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
$286 SGD