Radiant|Lab Grown|IGI

1.23ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1 • IGI LG616402972

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

Certificate IGI LG616402972

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)
9 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 very-good cut grade and certified by IGI LG616402972 or 616402972. Listed at 9 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616402972
Dimensions7.57 × 5.21 × 3.55 mm
L/W Ratio1.45
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
7.57 mm5.21 mm1.23 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616402972
Side View
Table 64.0%Crown 42°Girdle: MediumPavilion 34.2°Culet: NoneDepth 68.1%

Caratlytics Score

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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: $628 USD|-2.0%
Do Amore Diamonds
Retailer 2
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Retailer 15
October 29, 2026
Retailer 11$155 USD
Retailer 14$177 USD
Retailer 9$180 USD
Retailer 13$351 USD
Retailer 15$363 USD
Retailer 5$380 USD
Retailer 3$437 USD
Retailer 6$500 USD
Retailer 8$517 USD
Retailer 10$652 USD
Retailer 12$682 USD
Retailer 4$855 USD
Retailer 2$997 USD
Retailer 7$1,158 USD
Do Amore Diamonds$1,490 USD

19 data points across 15 retailers

9 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
-
$997 USD
£785 GBP
View
Most Expensive
B
Do Amore Diamonds
27-53C2E2C51 · Oct 29
$1,490 USD
View
8 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