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Radiant|Lab Grown|IGI

1.23ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG616402888

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

Certificate IGI LG616402888

Diamond specifications and retailer prices

From $155 USD
As of October 27, 2026
Save $1,335 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,490 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG616402888 or 616402888. Listed at 11 retailers as of October 27, 2026, with prices from $155 to $1,490, a $1,335 spread on the same certified stone. Do Amore Diamonds lists it at $1,490. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616402888
Dimensions7.69 × 5.22 × 3.48 mm
L/W Ratio1.47
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
7.69 mm5.22 mm1.23 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616402888
Side View
Table 65.0%Crown 44.1°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,490 USD|Low: $125 USD|High: $1,520 USD|Avg: $649 USD|-2.0%
Do Amore Diamonds
Retailer 2
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Retailer 16
October 26, 2026
Retailer 12$155 USD
Retailer 16$177 USD
Retailer 10$180 USD
Retailer 14$351 USD
Retailer 3$363 USD
Retailer 7$380 USD
Retailer 5$437 USD
Retailer 8$500 USD
Retailer 9$517 USD
Retailer 11$652 USD
Retailer 13$682 USD
Retailer 6$855 USD
Retailer 4$910 USD
Retailer 2$993 USD
Retailer 15$1,330 USD
Do Amore Diamonds$1,490 USD

22 data points across 16 retailers

11 retailers$155 USD to $1,490 USD

A
Cheapest Retailer
-
$155 USD
A
Retailer 2
-
$177 USD
View
Final sale: no returns
A
Retailer 3
-
$180 USD
View
B+
Retailer 4
-
$351 USD
View
Retailer 5
-
$517 USD
A$795 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
$652 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$682 USD
View
B
Retailer 8
-
$910 USD
View
B
Retailer 9
-
$993 USD
£782 GBP
View
B
Retailer 10
-
$1,330 USD
View
Most Expensive
B
Do Amore Diamonds
27-EF19BF109 · Oct 29
$1,490 USD
View
10 more retailers have this diamond
Prices start from $155 USDSave up to $1,335 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.

A
1.23ct Radiant
$155 USD