Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG726539514

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

Certificate IGI LG726539514

Diamond specifications and retailer prices

From $325 USD
As of October 30, 2026
Save $1,245 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,624 USD at MOH London · As of October 21, 2026
View at MOH London

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 LG726539514 or 726539514. Listed at 17 retailers as of October 30, 2026, with a 383% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726539514
Dimensions7.65 × 5.28 × 3.51 mm
L/W Ratio1.45
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
7.65 mm5.28 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726539514
Side View
Table 65.0%Crown 41.5°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 66.5%

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 30
Current: $1,624 USD|Low: $227 USD|High: $1,634 USD|Avg: $761 USD|-0.5%
MOH London
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
November 1, 2026
Retailer 8$227 USD
Retailer 13$325 USD
Retailer 5$364 USD
Retailer 3$403 USD
Retailer 14$403 USD
Retailer 2$460 USD
Retailer 11$555 USD
Retailer 7$640 USD
Retailer 16$653 USD
Retailer 10$693 USD
Retailer 4$724 USD
Retailer 9$979 USD
Retailer 12$1,182 USD
Retailer 15$1,296 USD
Retailer 6$1,570 USD
MOH London$1,624 USD

40 data points across 16 retailers

17 retailers$325 USD to $1,570 USD

A
Cheapest Retailer
-
$325 USD
A
Retailer 2
-
$364 USD
View
Final sale: no returns
A
Retailer 3
-
$377 USD
View
A
Retailer 4
-
$403 USD
View
A
Retailer 5
-
$403 USD
View
A
Retailer 6
-
$460 USD
£362 GBP
View
A
Retailer 7
-
$555 USD
View
B+
Retailer 8
-
$640 USD
View
B+
Retailer 9
-
$653 USD
View
B+
Retailer 10
-
$693 USD
ZAR 11,191 ZAR
View
B+
Retailer 11
-
$724 USD
View
B+
Retailer 12
-
$979 USD
A$1,506 AUD
View
B
Retailer 13
-
$1,182 USD
View
B
Retailer 14
-
$1,296 USD
View
B
Retailer 15
-
$1,311 USD
View
B
Retailer 16
-
$1,570 USD
£1,236 GBP
View
Most Expensive
MOH London
LG726539514 · Oct 21
$1,624 USD
£1,279 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $325 USDSave up to $1,245 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
$325 USD