Radiant|Lab Grown|IGI

1.23ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG539229330

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

Certificate IGI LG539229330

Diamond specifications and retailer prices

From $1,030 USD
As of November 2, 2026
Save $1,211 USD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,115 USD at Aida Diamonds · As of October 31, 2026
View at Aida Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539229330 or 539229330. Listed at 16 retailers as of November 1, 2026, with a 118% 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

1.23
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539229330
Dimensions7.51 × 5.30 × 3.68 mm
L/W Ratio1.42
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
7.51 mm5.30 mm1.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539229330
Side View
Table 64.5%Crown 44.5°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 69.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $3,115 USD|Low: $989 USD|High: $4,108 USD|Avg: $1,979 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
November 2, 2026
Retailer 8$1,030 USD
Retailer 13$1,121 USD
Retailer 3$1,154 USD
Retailer 10$1,195 USD
Retailer 9$1,210 USD
Retailer 5$1,370 USD
Retailer 2$1,724 USD
Retailer 11$1,906 USD
Retailer 6$2,197 USD
Retailer 12$2,241 USD
Aida Diamonds$3,115 USD
Retailer 4$3,307 USD
Retailer 7$4,059 USD

45 data points across 13 retailers

16 retailers$1,030 USD to $2,241 USD

B
Cheapest Retailer
-
$1,030 USD
B
Retailer 2
-
$1,121 USD
View
B
Retailer 3
-
$1,154 USD
View
Final sale: no returns
Retailer 4
-
$1,195 USD
View
Price last confirmed 16 days ago
B
Retailer 5
-
$1,195 USD
View
B
Retailer 6
-
$1,210 USD
View
B
Retailer 7
-
$1,370 USD
View
B
Retailer 8
-
$1,724 USD
£1,357 GBP
View
B
Retailer 9
-
$1,906 USD
View
B
Retailer 10
-
$2,197 USD
ZAR 35,499 ZAR
View
B
Retailer 11
-
$2,241 USD
View
Retailer 12
-
$2,498 USD
View
Price under review
Most Expensive
Aida Diamonds
496865933 · Oct 31
$3,115 USD
A$4,792 AUD
View
Price under review
12 more retailers have this diamond
Prices start from $1,030 USDSave up to $1,211 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
1.23ct Radiant
$1,030 USD