Radiant|Lab Grown|IGI

10.55ct H VS1 Radiant Lab Grown Diamond

VG • H/VS1 • IGI LG586365187

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

Certificate IGI LG586365187

Diamond specifications and retailer prices

From $1,720 USD
As of October 31, 2026
Save $6,540 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,260 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.55ct lab-grown radiant diamond

This 10.55ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG586365187 or 586365187. Listed at 13 retailers as of October 31, 2026, with prices from $1,720 to $8,260, a $6,540 spread on the same certified stone. Brilliant Earth lists it at $8,260. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

10.55
Carat
H
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586365187
Dimensions15.22 × 10.84 × 7.43 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.22 mm10.84 mm10.55 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586365187
Side View
Table 66.0%Crown 43.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $8,260 USD|Low: $1,003 USD|High: $8,320 USD|Avg: $3,425 USD|-0.7%
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
October 31, 2026
Retailer 4$1,492 USD
Retailer 8$1,720 USD
Retailer 6$1,774 USD
Retailer 12$2,148 USD
Retailer 9$2,395 USD
Retailer 3$2,446 USD
Retailer 7$2,552 USD
Retailer 2$2,867 USD
Retailer 10$2,884 USD
Retailer 13$3,734 USD
Retailer 5$5,183 USD
Retailer 11$5,216 USD
Retailer 14$5,435 USD
Brilliant Earth$8,260 USD

32 data points across 14 retailers

13 retailers$1,720 USD to $8,260 USD

A
Cheapest Retailer
-
$1,720 USD
Retailer 2
-
$1,774 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$2,148 USD
View
B+
Retailer 4
-
$2,395 USD
ZAR 38,690 ZAR
View
B+
Retailer 5
-
$2,446 USD
View
B+
Retailer 6
-
$2,552 USD
€2,430 EUR
View
B+
Retailer 7
-
$2,867 USD
A$4,410 AUD
View
B+
Retailer 8
-
$2,884 USD
View
B+
Retailer 9
-
$3,734 USD
£2,940 GBP
View
Retailer 10
-
$5,183 USD
View
Price last confirmed 21 days ago
B
Retailer 11
-
$5,216 USD
View
B
Retailer 12
-
$5,435 USD
View
Most Expensive
B
Brilliant Earth
7631613A · Oct 31
$8,260 USD
View
12 more retailers have this diamond
Prices start from $1,720 USDSave up to $6,540 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
10.55ct Radiant
$1,720 USD