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Radiant|Lab Grown|IGI

1.72ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG512202829

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

Certificate IGI LG512202829

Diamond specifications and retailer prices

From $1,871 USD
As of October 30, 2026
Save $2,625 USD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,232 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown radiant diamond

This 1.72ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512202829 or 512202829. Listed at 11 retailers as of October 29, 2026, with a 140% 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

1.72
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512202829
Dimensions8.43 × 6.04 × 3.96 mm
L/W Ratio1.40
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
8.43 mm6.04 mm1.72 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512202829
Side View
Table 69.0%Crown 46.6°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.6%

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: $6,232 USD|Low: $1,796 USD|High: $6,281 USD|Avg: $3,373 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$1,871 USD
Retailer 6$1,940 USD
Retailer 7$2,171 USD
Retailer 3$2,316 USD
Retailer 11$2,340 USD
Retailer 12$2,875 USD
Retailer 8$3,402 USD
Retailer 2$3,651 USD
Retailer 9$4,068 USD
Retailer 10$4,496 USD
Retailer 4$4,859 USD
MOH London$6,232 USD

16 data points across 12 retailers

11 retailers$1,871 USD to $4,496 USD

B+
Cheapest Retailer
-
$1,871 USD
B
Retailer 2
-
$1,940 USD
View
B
Retailer 3
-
$2,036 USD
View
Retailer 4
-
$2,171 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
$2,171 USD
View
B
Retailer 6
-
$2,340 USD
View
B
Retailer 7
-
$3,402 USD
View
B
Retailer 8
-
$3,651 USD
View
B
Retailer 9
-
$4,068 USD
View
B
Retailer 10
-
$4,496 USD
£3,540 GBP
View
Most Expensive
MOH London
LG512202829 · Oct 29
$6,232 USD
£4,907 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,871 USDSave up to $2,625 USD

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+
1.72ct Radiant
$1,871 USD