Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG756582503

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

Certificate IGI LG756582503

Diamond specifications and retailer prices

From $253 USD
As of October 27, 2026
Save $1,111 USD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,910 USD at Brilliant Earth · As of October 16, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG756582503 or 756582503. Listed at 23 retailers as of October 27, 2026, with a 439% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756582503
Dimensions5.38 × 5.38 × 7.58 mm
L/W Ratio1.00
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
5.38 mm5.38 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756582503
Side View
Table 60.0%Crown 42.9°Girdle: MediumPavilion 35°Culet: NoneDepth 66.0%

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: $1,910 USD|Low: $281 USD|High: $1,910 USD|Avg: $783 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 2$281 USD
Retailer 9$346 USD
Retailer 8$422 USD
Retailer 5$475 USD
Retailer 16$540 USD
Retailer 19$563 USD
Retailer 6$566 USD
Retailer 18$595 USD
Retailer 11$615 USD
Retailer 17$764 USD
Retailer 4$793 USD
Retailer 13$965 USD
Retailer 15$1,004 USD
Retailer 14$1,006 USD
Retailer 10$1,062 USD
Retailer 3$1,110 USD
Retailer 12$1,259 USD
Retailer 7$1,364 USD
Brilliant Earth$1,910 USD

41 data points across 19 retailers

23 retailers$253 USD to $1,364 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$294 USD
View
A
Retailer 4
-
$314 USD
View
A
Retailer 5
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$314 USD
View
A
Retailer 6
-
$346 USD
HK$2,700 HKD
View
A
Retailer 7
-
$422 USD
View
A
Retailer 8
-
$475 USD
View
A
Retailer 9
-
$540 USD
ZAR 8,721 ZAR
View
A
Retailer 10
-
$563 USD
€536 EUR
View
B+
Retailer 11
-
$566 USD
View
B+
Retailer 12
-
$595 USD
£469 GBP
View
B+
Retailer 13
-
$615 USD
View
B+
Retailer 14
-
$764 USD
A$1,176 AUD
View
B+
Retailer 15
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$793 USD
View
B+
Retailer 16
-
$965 USD
A$1,485 AUD
View
B+
Retailer 17
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$1,004 USD
View
B
Retailer 18
-
$1,006 USD
SGD 1,359 SGD
View
B
Retailer 19
-
$1,062 USD
View
B
Retailer 20
-
$1,110 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$1,259 USD
£991 GBP
View
B
Retailer 22
-
$1,364 USD
View
Most Expensive
B
Brilliant Earth
17287792A · Oct 16
$1,910 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from $253 USDSave up to $1,111 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
$253 USD