Radiant|Lab Grown|IGI

1.23ct D VVS2 Radiant Lab Grown Diamond

VG • D/VVS2 • IGI LG656488287

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

Certificate IGI LG656488287

Diamond specifications and retailer prices

From $183 USD
As of October 30, 2026
Save $1,157 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,340 USD at Brilliant Earth · As of October 30, 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 VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG656488287 or 656488287. Listed at 20 retailers as of October 30, 2026, with prices from $183 to $1,340, a $1,157 spread on the same certified stone. Brilliant Earth lists it at $1,340. 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
D
Color
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656488287
Dimensions7.45 × 5.25 × 3.64 mm
L/W Ratio1.42
Culet sizePointed
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
7.45 mm5.25 mm1.23 ctD / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656488287
Side View
Table 63.0%Crown 41.1°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,340 USD|Low: $145 USD|High: $1,420 USD|Avg: $593 USD|-5.0%
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
Retailer 14
October 30, 2026
Retailer 4$204 USD
Retailer 14$227 USD
Retailer 13$308 USD
Retailer 8$390 USD
Retailer 2$411 USD
Retailer 10$419 USD
Retailer 5$511 USD
Retailer 9$554 USD
Retailer 11$557 USD
Retailer 3$731 USD
Retailer 6$785 USD
Retailer 12$860 USD
Retailer 7$1,068 USD
Brilliant Earth$1,340 USD

44 data points across 14 retailers

20 retailers$183 USD to $1,340 USD

A
Cheapest Retailer
-
$183 USD
A
Retailer 2
-
$204 USD
View
Final sale: no returns
A
Retailer 3
-
$213 USD
View
A
Retailer 4
-
$227 USD
View
A
Retailer 5
-
$227 USD
View
B+
Retailer 6
-
$308 USD
View
A
Retailer 7
-
$390 USD
ZAR 6,304 ZAR
View
A
Retailer 8
-
$411 USD
£323 GBP
View
Retailer 9
-
$419 USD
€399 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$511 USD
View
B+
Retailer 11
-
$554 USD
A$853 AUD
View
B+
Retailer 12
-
$557 USD
View
B
Retailer 13
-
$731 USD
View
B+
Retailer 14
-
$785 USD
View
B+
Retailer 15
-
$811 USD
£638 GBP
View
Retailer 16
-
$860 USD
View
Price last confirmed 11 days ago
Retailer 17
-
$936 USD
View
Price last confirmed 82 days ago
B
Retailer 18
-
$1,068 USD
£841 GBP
View
B
Retailer 19
-
$1,140 USD
View
Most Expensive
B
Brilliant Earth
21312075A · Oct 30
$1,340 USD
View
19 more retailers have this diamond
Prices start from $183 USDSave up to $1,157 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
$183 USD