Radiant|Lab Grown|IGI

1.23ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG816631953

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

Certificate IGI LG816631953

Diamond specifications and retailer prices

From $184 USD
As of October 27, 2026
Save $1,632 USD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,816 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 top-tier cut grade and certified by IGI LG816631953 or 816631953. Listed at 20 retailers as of October 27, 2026, with prices from $184 to $1,816, a $1,632 spread on the same certified stone. Queensmith lists it at $1,816. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle56.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816631953
Dimensions7.97 × 5.14 × 3.55 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm5.14 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816631953
Side View
Table 67.0%Crown 56.2°Girdle: MediumPavilion 38.1°Culet: NoneDepth 69.1%

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 27
Current: $413 USD|Low: $178 USD|High: $1,091 USD|Avg: $473 USD|+3.2%
Retailer 1
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
October 30, 2026
Retailer 2$184 USD
Retailer 7$206 USD
Retailer 15$213 USD
Retailer 3$228 USD
Retailer 16$228 USD
Retailer 6$308 USD
Retailer 10$392 USD
Retailer 13$402 USD
Retailer 1$413 USD
Retailer 5$476 USD
Retailer 12$556 USD
Retailer 4$733 USD
Retailer 11$758 USD
Retailer 14$775 USD
Retailer 8$788 USD
Retailer 9$1,073 USD

44 data points across 16 retailers

20 retailers$184 USD to $1,816 USD

A
Cheapest Retailer
-
$184 USD
A
Retailer 2
-
$206 USD
View
Final sale: no returns
A
Retailer 3
-
$213 USD
View
A
Retailer 4
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$228 USD
View
A
Retailer 5
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$228 USD
View
Retailer 6
-
$228 USD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
$308 USD
View
A
Retailer 8
-
$392 USD
ZAR 6,330 ZAR
View
A
Retailer 9
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$402 USD
€383 EUR
View
A
Retailer 10
-
$413 USD
£325 GBP
View
A
Retailer 11
-
$476 USD
View
A
Retailer 12
-
$512 USD
View
A
Retailer 13
-
$556 USD
A$856 AUD
View
B+
Retailer 14
-
$733 USD
View
B+
Retailer 15
-
$758 USD
A$1,166 AUD
View
B+
Retailer 16
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$762 USD
View
B+
Retailer 17
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$775 USD
View
B+
Retailer 18
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$788 USD
View
B+
Retailer 19
-
$1,073 USD
£845 GBP
View
Most Expensive
B
Queensmith
LG816631953 · Oct 27
$1,816 USD
£1,430 GBP
View
19 more retailers have this diamond
Prices start from $184 USDSave up to $1,632 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
$184 USD