CaratHunter
Plans
Radiant|Lab Grown|IGI

1.71ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG494160365

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG494160365

Diamond specifications and retailer prices

From $1,393 SGD
$1,090 USD
As of October 31, 2026
Save $5,502 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,895 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494160365 or 494160365. Listed at 10 retailers as of October 31, 2026, with prices from $1,393 to $6,895, a $5,502 spread on the same certified stone. MOH London lists it at $6,895. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494160365
Dimensions8.24 × 5.98 × 4.09 mm
L/W Ratio1.38
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
8.24 mm5.98 mm1.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494160365
Side View
Table 62.5%Crown 41.1°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 68.4%

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: Oct 31
Current: $6,895 SGD|Low: $1,393 SGD|High: $6,988 SGD|Avg: $3,384 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,393 SGD
Retailer 5$2,081 SGD
Retailer 9$2,264 SGD
Retailer 6$2,415 SGD
Retailer 10$2,634 SGD
Retailer 3$2,655 SGD
Retailer 11$3,246 SGD
Retailer 7$3,794 SGD
Retailer 4$4,162 SGD
Retailer 8$4,526 SGD
MOH London$6,895 SGD

18 data points across 11 retailers

10 retailers$1,393 SGD to $6,895 SGD

A
Cheapest Retailer
-
$1,393 SGD
$1,090 USD
B+
Retailer 2
-
$2,081 SGD
$1,628 USD
View
B+
Retailer 3
-
$2,264 SGD
$1,771 USD
View
Retailer 4
-
$2,415 SGD
$1,889 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$2,415 SGD
$1,889 USD
View
B+
Retailer 6
-
$2,634 SGD
$2,060 USD
View
B
Retailer 7
-
$3,794 SGD
$2,968 USD
View
B
Retailer 8
-
$4,162 SGD
$3,256 USD
View
B
Retailer 9
-
$4,526 SGD
$3,540 USD
View
Most Expensive
B
MOH London
LG494160365 · Nov 1
$6,895 SGD
£4,247 GBP
View
9 more retailers have this diamond
Prices start from $1,393 SGDSave up to $5,502 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 Radiant
$1,393 SGD