Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG835649621

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

Certificate IGI LG835649621

Diamond specifications and retailer prices

From $210 USD
As of October 30, 2026
Save $1,540 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,750 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835649621 or 835649621. Listed at 18 retailers as of October 30, 2026, with prices from $210 to $1,750, a $1,540 spread on the same certified stone. Brilliant Earth lists it at $1,750. 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 angle42°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835649621
Dimensions7.78 × 5.29 × 3.55 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.29 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835649621
Side View
Table 66.0%Crown 42°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.1%

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: $1,750 USD|Low: $175 USD|High: $1,910 USD|Avg: $738 USD|+2.3%
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
October 31, 2026
Retailer 4$210 USD
Retailer 11$218 USD
Retailer 16$266 USD
Retailer 13$315 USD
Retailer 8$400 USD
Retailer 12$422 USD
Retailer 2$435 USD
Retailer 15$555 USD
Retailer 9$579 USD
Retailer 18$591 USD
Retailer 14$751 USD
Retailer 6$761 USD
Retailer 17$781 USD
Retailer 3$802 USD
Retailer 10$937 USD
Retailer 7$1,070 USD
Retailer 5$1,095 USD
Brilliant Earth$1,750 USD

26 data points across 18 retailers

18 retailers$210 USD to $1,750 USD

A
Cheapest Retailer
-
$210 USD
Final sale: no returns
A
Retailer 2
-
$218 USD
View
A
Retailer 3
-
$266 USD
£210 GBP
View
B+
Retailer 4
-
$315 USD
View
Retailer 5
-
$400 USD
ZAR 6,464 ZAR
View
Price last confirmed 13 days ago
A
Retailer 6
-
$422 USD
£333 GBP
View
A
Retailer 7
-
$435 USD
€414 EUR
View
A
Retailer 8
-
$555 USD
View
Retailer 9
-
$579 USD
A$890 AUD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$591 USD
View
B+
Retailer 11
-
$751 USD
View
B+
Retailer 12
-
$761 USD
SGD 1,029 SGD
View
B+
Retailer 13
-
$781 USD
View
B+
Retailer 14
-
$802 USD
View
Retailer 15
-
$937 USD
A$1,441 AUD
View
Price last confirmed 26 days ago
Retailer 16
-
$1,070 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
$1,095 USD
£862 GBP
View
Most Expensive
B
Brilliant Earth
21565343A · Oct 30
$1,750 USD
View
17 more retailers have this diamond
Prices start from $210 USDSave up to $1,540 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
$210 USD