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Radiant|Lab Grown|IGI

1.23ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG617406372

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

Certificate IGI LG617406372

Diamond specifications and retailer prices

From $689 USD
As of October 28, 2026
Save $811 USD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,500 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG617406372 or 617406372. Listed at 8 retailers as of October 28, 2026, with prices from $689 to $1,500, a $811 spread on the same certified stone. Do Amore Diamonds lists it at $1,500. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617406372
Dimensions7.55 × 5.28 × 3.59 mm
L/W Ratio1.43
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
7.55 mm5.28 mm1.23 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617406372
Side View
Table 66.0%Crown 46.1°Girdle: THN-MEDPavilion 34.9°Culet: NoneDepth 68.0%

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 28
Current: $1,500 USD|Low: $131 USD|High: $1,570 USD|Avg: $650 USD|-4.5%
Do Amore Diamonds
Retailer 2
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Retailer 16
October 26, 2026
Retailer 12$157 USD
Retailer 15$179 USD
Retailer 10$182 USD
Retailer 14$353 USD
Retailer 16$389 USD
Retailer 6$409 USD
Retailer 4$442 USD
Retailer 5$514 USD
Retailer 2$523 USD
Retailer 11$659 USD
Retailer 13$689 USD
Retailer 7$704 USD
Retailer 3$906 USD
Retailer 9$1,003 USD
Retailer 8$1,188 USD
Do Amore Diamonds$1,500 USD

20 data points across 16 retailers

8 retailers$689 USD to $1,500 USD

Retailer 1
-
$157 USD
Price last confirmed 8 days ago
Retailer 2
-
$182 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$353 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$523 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$659 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$689 USD
View
Retailer 7
-
$1,003 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-9B8076D27 · Oct 29
$1,500 USD
View
7 more retailers have this diamond
Prices start from $689 USDSave up to $811 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
$689 USD