Radiant|Lab Grown|IGI

9.17ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG680570122

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

Certificate IGI LG680570122

Diamond specifications and retailer prices

From $3,296 USD
As of October 31, 2026
Save $8,562 USD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $21,610 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 9.17ct lab-grown radiant diamond

This 9.17ct 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 LG680570122 or 680570122. Listed at 17 retailers as of October 31, 2026, with a 260% 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

9.17
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680570122
Dimensions12.11 × 11.87 × 7.63 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.11 mm11.87 mm9.17 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680570122
Side View
Table 63.0%Crown 43.5°Girdle: MED-THKPavilion 36°Culet: NoneDepth 64.3%

Caratlytics Score

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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 31
Current: $21,610 USD|Low: $3,227 USD|High: $22,280 USD|Avg: $7,268 USD|-3.0%
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
November 1, 2026
Retailer 6$3,227 USD
Retailer 5$3,296 USD
Retailer 15$3,390 USD
Retailer 17$3,550 USD
Retailer 11$3,840 USD
Retailer 16$4,266 USD
Retailer 10$4,612 USD
Retailer 13$4,996 USD
Retailer 8$5,563 USD
Retailer 12$5,761 USD
Retailer 2$6,930 USD
Retailer 4$8,107 USD
Retailer 14$8,223 USD
Retailer 3$8,995 USD
Retailer 9$11,248 USD
Retailer 7$11,858 USD
Brilliant Earth$21,610 USD

37 data points across 17 retailers

17 retailers$3,296 USD to $11,858 USD

Retailer 1
-
$3,227 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$3,296 USD
View
Final sale: no returns
A
Retailer 3
-
$3,390 USD
View
A
Retailer 4
-
$3,550 USD
View
A
Retailer 5
-
$3,840 USD
£3,024 GBP
View
B+
Retailer 6
-
$4,266 USD
View
B+
Retailer 7
-
$4,612 USD
View
B+
Retailer 8
-
$4,996 USD
ZAR 80,714 ZAR
View
B+
Retailer 9
-
$5,563 USD
£4,380 GBP
View
B+
Retailer 10
-
$5,761 USD
€5,487 EUR
View
B+
Retailer 11
-
$6,930 USD
View
B+
Retailer 12
-
$8,107 USD
View
B+
Retailer 13
-
$8,223 USD
£6,475 GBP
View
B
Retailer 14
-
$8,995 USD
View
B
Retailer 15
-
$11,248 USD
View
B
Retailer 16
-
$11,858 USD
View
Most Expensive
Brilliant Earth
16342008A · Oct 31
$21,610 USD
View
Price under review
16 more retailers have this diamond
Prices start from $3,296 USDSave up to $8,562 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
9.17ct Radiant
$3,296 USD