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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 HK$7,453 HKD
$950 USD
As of October 30, 2026
Save HK$23,754 HKD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$43,224 HKD 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 30, 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$43,224 HKD|Low: HK$7,453 HKD|High: HK$43,503 HKD|Avg: HK$22,350 HKD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2HK$7,453 HKD
Retailer 5HK$12,977 HKD
Retailer 9HK$14,114 HKD
Retailer 6HK$15,056 HKD
Retailer 11HK$16,398 HKD
Retailer 3HK$20,203 HKD
Retailer 7HK$23,655 HKD
Retailer 4HK$25,954 HKD
Retailer 8HK$28,213 HKD
Retailer 10HK$31,207 HKD
MOH LondonHK$43,224 HKD

17 data points across 11 retailers

11 retailersHK$7,453 HKD to HK$31,207 HKD

B+
Cheapest Retailer
-
HK$7,453 HKD
$950 USD
B
Retailer 2
-
HK$12,977 HKD
$1,654 USD
View
B
Retailer 3
-
HK$14,114 HKD
$1,799 USD
View
B
Retailer 4
-
HK$15,056 HKD
$1,919 USD
View
Retailer 5
-
HK$15,056 HKD
$1,919 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
HK$16,398 HKD
$2,090 USD
View
B
Retailer 7
-
HK$23,655 HKD
$3,015 USD
View
B
Retailer 8
-
HK$25,954 HKD
$3,308 USD
View
B
Retailer 9
-
HK$28,213 HKD
$3,596 USD
View
B
Retailer 10
-
HK$31,207 HKD
£3,132 GBP
View
Most Expensive
MOH London
LG512205180 · Oct 29
HK$43,224 HKD
£4,338 GBP
View
Price under review
10 more retailers have this diamond
Prices start from HK$7,453 HKDSave up to HK$23,754 HKD

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
HK$7,453 HKD