Radiant|Lab Grown|IGI

1.91ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG523272623

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

Certificate IGI LG523272623

Diamond specifications and retailer prices

From $2,200 USD
As of October 31, 2026
Save $1,973 USD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,658 USD at Aida Diamonds · As of November 1, 2026
View at Aida Diamonds

About this 1.91ct lab-grown radiant diamond

This 1.91ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG523272623 or 523272623. Listed at 15 retailers as of October 31, 2026, with a 90% 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

1.91
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523272623
Dimensions8.36 × 6.16 × 4.22 mm
L/W Ratio1.36
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
8.36 mm6.16 mm1.91 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523272623
Side View
Table 63.5%Crown 40.9°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 68.5%

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 31
Current: $6,658 USD|Low: $2,200 USD|High: $7,657 USD|Avg: $4,364 USD|-0.1%
Aida Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 10$2,200 USD
Retailer 12$2,305 USD
Retailer 16$2,508 USD
Retailer 3$2,582 USD
Retailer 13$2,674 USD
Retailer 5$2,840 USD
Retailer 7$3,375 USD
Retailer 15$3,676 USD
Retailer 11$4,098 USD
Retailer 14$4,173 USD
Retailer 9$4,916 USD
Retailer 4$5,075 USD
Aida Diamonds$6,658 USD
Retailer 6$7,133 USD
Retailer 2$7,256 USD
Retailer 8$7,657 USD

24 data points across 16 retailers

15 retailers$2,200 USD to $4,173 USD

B
Cheapest Retailer
-
$2,200 USD
B
Retailer 2
-
$2,305 USD
View
B
Retailer 3
-
$2,508 USD
View
B
Retailer 4
-
$2,582 USD
View
Final sale: no returns
Retailer 5
-
$2,674 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
$2,674 USD
View
B
Retailer 7
-
$2,840 USD
View
B
Retailer 8
-
$3,676 USD
View
B
Retailer 9
-
$4,098 USD
View
B
Retailer 10
-
$4,173 USD
View
Retailer 11
-
$4,916 USD
ZAR 79,420 ZAR
View
Price under review
Retailer 12
-
$5,075 USD
£3,996 GBP
View
Price under review
Most Expensive
Aida Diamonds
497497950 · Nov 1
$6,658 USD
A$10,243 AUD
View
Price under review
12 more retailers have this diamond
Prices start from $2,200 USDSave up to $1,973 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
1.91ct Radiant
$2,200 USD