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Radiant|Lab Grown|IGI

1.71ct I VS2 Radiant Lab Grown Diamond

ID • I/VS2 • IGI LG512205180

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

Certificate IGI LG512205180

Diamond specifications and retailer prices

From $1,214 SGD
$950 USD
As of October 30, 2026
Save $3,871 SGD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,043 SGD at MOH London · As of October 29, 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512205180 or 512205180. Listed at 11 retailers as of October 29, 2026, with a 319% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205180
Dimensions7.94 × 5.89 × 4.14 mm
L/W Ratio1.35
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
7.94 mm5.89 mm1.71 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205180
Side View
Table 68.0%Crown 37.8°Girdle: Slightly ThickPavilion 31.5°Culet: NoneDepth 70.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,043 SGD|Low: $1,214 SGD|High: $7,088 SGD|Avg: $4,056 SGD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,214 SGD
Retailer 7$2,672 SGD
Retailer 8$3,292 SGD
Retailer 4$3,854 SGD
Retailer 3$4,229 SGD
Retailer 5$4,597 SGD
Retailer 6$5,085 SGD
MOH London$7,043 SGD

12 data points across 8 retailers

11 retailers$1,214 SGD to $5,085 SGD

B+
Cheapest Retailer
-
$1,214 SGD
$950 USD
B
Retailer 2
-
$2,114 SGD
$1,654 USD
View
B
Retailer 3
-
$2,300 SGD
$1,799 USD
View
B
Retailer 4
-
$2,453 SGD
$1,919 USD
View
Retailer 5
-
$2,453 SGD
$1,919 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$2,672 SGD
$2,090 USD
View
B
Retailer 7
-
$3,854 SGD
$3,015 USD
View
B
Retailer 8
-
$4,229 SGD
$3,308 USD
View
B
Retailer 9
-
$4,597 SGD
$3,596 USD
View
B
Retailer 10
-
$5,085 SGD
£3,132 GBP
View
Most Expensive
MOH London
LG512205180 · Oct 29
$7,043 SGD
£4,338 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,214 SGDSave up to $3,871 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.

B+
1.71ct Radiant
$1,214 SGD