Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG805676250

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

Certificate IGI LG805676250

Diamond specifications and retailer prices

From $218 USD
As of October 28, 2026
Save $992 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,210 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 LG805676250 or 805676250. Listed at 13 retailers as of October 28, 2026, with prices from $218 to $1,210, a $992 spread on the same certified stone. Brilliant Earth lists it at $1,210. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805676250
Dimensions7.54 × 5.25 × 3.60 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.25 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805676250
Side View
Table 64.0%Crown 43°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.6%

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 28
Current: $1,210 USD|Low: $218 USD|High: $1,210 USD|Avg: $657 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 13$218 USD
Retailer 6$325 USD
Retailer 8$416 USD
Retailer 4$422 USD
Retailer 7$440 USD
Retailer 10$441 USD
Retailer 11$477 USD
Retailer 9$590 USD
Retailer 5$720 USD
Retailer 12$781 USD
Retailer 2$1,138 USD
Retailer 3$1,178 USD
Brilliant Earth$1,210 USD

12 data points across 13 retailers

13 retailers$218 USD to $1,210 USD

A
Cheapest Retailer
-
$218 USD
Final sale: no returns
A
Retailer 2
-
$325 USD
£256 GBP
View
A
Retailer 3
-
$416 USD
ZAR 6,713 ZAR
View
A
Retailer 4
-
$422 USD
View
A
Retailer 5
-
$440 USD
£346 GBP
View
A
Retailer 6
-
$441 USD
€420 EUR
View
A
Retailer 7
-
$477 USD
View
B+
Retailer 8
-
$590 USD
A$908 AUD
View
B+
Retailer 9
-
$720 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$781 USD
View
B
Retailer 11
-
$1,138 USD
£896 GBP
View
B
Retailer 12
-
$1,178 USD
View
Most Expensive
B
Brilliant Earth
22162818A · Oct 28
$1,210 USD
View
12 more retailers have this diamond
Prices start from $218 USDSave up to $992 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
$218 USD