Radiant|Lab Grown|IGI

1.51ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG514266053

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

Certificate IGI LG514266053

Diamond specifications and retailer prices

From $1,670 USD
As of October 29, 2026
Save $1,356 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,557 USD at Flawless Fine Jewelry · As of October 29, 2026
View at Flawless Fine Jewelry

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514266053 or 514266053. Listed at 15 retailers as of October 29, 2026, with a 81% 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

1.51
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514266053
Dimensions7.52 × 5.72 × 3.88 mm
L/W Ratio1.31
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
7.52 mm5.72 mm1.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514266053
Side View
Table 65.5%Crown 38.3°Girdle: STK-THKPavilion 30.4°Culet: NoneDepth 67.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,557 USD|Low: $1,516 USD|High: $6,359 USD|Avg: $3,716 USD|+7.9%
Flawless Fine Jewelry
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 7$1,670 USD
Retailer 12$2,124 USD
Retailer 8$2,200 USD
Retailer 3$2,370 USD
Retailer 2$3,026 USD
Retailer 10$3,446 USD
Retailer 6$3,613 USD
Retailer 11$4,124 USD
Flawless Fine Jewelry$4,557 USD
Retailer 9$5,928 USD
Retailer 4$5,969 USD
Retailer 5$6,293 USD

42 data points across 12 retailers

15 retailers$1,670 USD to $3,026 USD

B
Cheapest Retailer
-
$1,670 USD
B
Retailer 2
-
$1,897 USD
View
B
Retailer 3
-
$2,064 USD
View
B
Retailer 4
-
$2,124 USD
View
Final sale: no returns
B
Retailer 5
-
$2,200 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$2,200 USD
View
B
Retailer 7
-
$2,370 USD
View
B
Retailer 8
-
$3,026 USD
£2,382 GBP
View
B
Retailer 9
-
$3,446 USD
View
Price under review
B
Retailer 10
-
$3,613 USD
View
Price under review
B
Retailer 11
-
$4,124 USD
View
Price under review
Most Expensive
B
Flawless Fine Jewelry
CE759C162 · Oct 29
$4,557 USD
£3,588 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,670 USDSave up to $1,356 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
1.51ct Radiant
$1,670 USD