Radiant|Lab Grown|IGI

8.58ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG706545077

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

Certificate IGI LG706545077

Diamond specifications and retailer prices

From $7,799 USD
As of October 31, 2026
Save $10,836 USD (58%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $25,779 USD at Brilliance · As of November 1, 2026
View at Brilliance

About this 8.58ct lab-grown radiant diamond

This 8.58ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG706545077 or 706545077. Listed at 22 retailers as of October 29, 2026, with a 139% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

8.58
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.8°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706545077
Dimensions14.06 × 9.96 × 6.47 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.06 mm9.96 mm8.58 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706545077
Side View
Table 64.0%Crown 51.8°Girdle: ThickPavilion 30.8°Culet: NoneDepth 65.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $25,779 USD|Low: $6,855 USD|High: $54,150 USD|Avg: $16,827 USD|+25.0%
Brilliance
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
November 1, 2026
Retailer 15$6,855 USD
Retailer 18$8,678 USD
Retailer 7$8,852 USD
Retailer 5$9,025 USD
Retailer 8$9,719 USD
Retailer 17$9,975 USD
Retailer 3$10,067 USD
Retailer 16$11,198 USD
Retailer 4$12,497 USD
Retailer 11$13,185 USD
Retailer 2$14,400 USD
Retailer 10$15,926 USD
Retailer 12$18,635 USD
Retailer 13$19,940 USD
Retailer 14$21,075 USD
Brilliance$25,779 USD
Retailer 9$27,705 USD
Retailer 6$54,150 USD

44 data points across 18 retailers

22 retailers$7,799 USD to $18,635 USD

Retailer 1
-
$6,855 USD
Price last confirmed 13 days ago
B
Retailer 2
-
$7,799 USD
View
B
Retailer 3
-
$8,678 USD
View
B
Retailer 4
-
$8,852 USD
View
B
Retailer 5
-
$9,025 USD
View
B
Retailer 6
-
$9,719 USD
View
Final sale: no returns
B
Retailer 7
-
$9,975 USD
View
B
Retailer 8
-
$10,067 USD
View
Retailer 9
-
$10,067 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$11,062 USD
View
B
Retailer 11
-
$11,198 USD
View
B
Retailer 12
-
$12,497 USD
View
B
Retailer 13
-
$13,185 USD
£10,382 GBP
View
B
Retailer 14
-
$14,400 USD
A$22,154 AUD
View
B
Retailer 15
-
$15,926 USD
£12,540 GBP
View
B
Retailer 16
-
$18,635 USD
ZAR 301,050 ZAR
View
Retailer 17
-
$19,940 USD
£15,701 GBP
View
Price under review
Retailer 18
-
$21,075 USD
A$32,423 AUD
View
Price under review
Most Expensive
Brilliance
D31012517 · Nov 1
$25,779 USD
View
Price under review
18 more retailers have this diamond
Prices start from $7,799 USDSave up to $10,836 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
8.58ct Radiant
$7,799 USD