Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG844677104

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

Certificate IGI LG844677104

Diamond specifications and retailer prices

From $202 USD
As of October 28, 2026
Save $978 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,180 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844677104 or 844677104. Listed at 9 retailers as of October 28, 2026, with prices from $202 to $1,180, a $978 spread on the same certified stone. Brilliant Earth lists it at $1,180. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844677104
Dimensions7.38 × 5.23 × 3.52 mm
L/W Ratio1.41
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.38 mm5.23 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844677104
Side View
Table 64.0%Crown 25.4°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $465 USD|Low: $202 USD|High: $1,096 USD|Avg: $502 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4$202 USD
Retailer 3$270 USD
Retailer 2$354 USD
Retailer 8$377 USD
Retailer 1$465 USD
Retailer 5$512 USD
Retailer 6$714 USD
Retailer 7$1,096 USD

10 data points across 8 retailers

9 retailers$202 USD to $1,180 USD

A
Cheapest Retailer
-
$202 USD
Final sale: no returns
A
Retailer 2
-
$270 USD
£213 GBP
View
A
Retailer 3
-
$354 USD
£279 GBP
View
A
Retailer 4
-
$377 USD
View
A
Retailer 5
-
$465 USD
View
A
Retailer 6
-
$512 USD
A$788 AUD
View
B
Retailer 7
-
$714 USD
View
B
Retailer 8
-
$1,096 USD
View
Most Expensive
B
Brilliant Earth
22340661A · Oct 28
$1,180 USD
View
8 more retailers have this diamond
Prices start from $202 USDSave up to $978 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
$202 USD