Radiant|Lab Grown|IGI

5.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG840639630

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

Certificate IGI LG840639630

Diamond specifications and retailer prices

From $5,002 USD
As of October 24, 2026
Save $10,728 USD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,730 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.23ct lab-grown radiant diamond

This 5.23ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840639630 or 840639630. Listed at 16 retailers as of October 24, 2026, with prices from $5,002 to $15,730, a $10,728 spread on the same certified stone. Brilliant Earth lists it at $15,730. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.23
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840639630
Dimensions12.24 × 8.44 × 5.73 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.24 mm8.44 mm5.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840639630
Side View
Table 66.0%Crown 44.4°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 67.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: $15,730 USD|Low: $2,244 USD|High: $15,730 USD|Avg: $6,962 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
October 24, 2026
Retailer 7$2,244 USD
Retailer 12$2,310 USD
Retailer 14$3,057 USD
Retailer 9$3,316 USD
Retailer 11$3,457 USD
Retailer 13$3,624 USD
Retailer 5$4,454 USD
Retailer 15$5,002 USD
Retailer 10$5,947 USD
Retailer 4$6,364 USD
Retailer 16$7,730 USD
Retailer 3$7,951 USD
Retailer 2$8,072 USD
Retailer 8$8,880 USD
Retailer 6$9,625 USD
Brilliant Earth$15,730 USD

25 data points across 16 retailers

16 retailers$5,002 USD to $15,730 USD

Retailer 1
-
$2,244 USD
Price last confirmed 19 days ago
Retailer 2
-
$2,310 USD
£1,819 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
$3,057 USD
£2,407 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
$3,316 USD
€3,158 EUR
View
Price last confirmed 7 days ago
Retailer 5
-
$3,457 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$3,624 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$4,454 USD
ZAR 71,951 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$5,002 USD
View
Retailer 9
-
$5,947 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$6,364 USD
£5,011 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
$7,730 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$7,951 USD
SGD 10,744 SGD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$8,072 USD
View
Retailer 14
-
$8,880 USD
A$13,662 AUD
View
Price last confirmed 21 days ago
Retailer 15
-
$9,625 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21674724A · Oct 28
$15,730 USD
View
15 more retailers have this diamond
Prices start from $5,002 USDSave up to $10,728 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.

B+
5.23ct Radiant
$5,002 USD