Radiant|Lab Grown|IGI

3.17ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG821627245

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

Certificate IGI LG821627245

Diamond specifications and retailer prices

From $784 USD
As of October 31, 2026
Save $2,434 USD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,235 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.17ct lab-grown radiant diamond

This 3.17ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821627245 or 821627245. Listed at 17 retailers as of October 29, 2026, with a 310% 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

3.17
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821627245
Dimensions11.15 × 7.07 × 4.57 mm
L/W Ratio1.58
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.15 mm7.07 mm3.17 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821627245
Side View
Table 67.0%Crown 40°Girdle: STK-THKPavilion 40°Culet: NoneDepth 64.6%

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: $4,235 USD|Low: $784 USD|High: $4,280 USD|Avg: $2,125 USD|-1.1%
Rare Carat
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 31, 2026
Retailer 11$784 USD
Retailer 13$990 USD
Retailer 3$1,168 USD
Retailer 10$1,260 USD
Retailer 12$1,302 USD
Retailer 15$1,834 USD
Retailer 6$1,892 USD
Retailer 16$2,008 USD
Retailer 2$2,144 USD
Retailer 8$2,545 USD
Retailer 7$2,650 USD
Retailer 14$2,734 USD
Retailer 9$2,801 USD
Retailer 4$2,905 USD
Retailer 5$3,218 USD
Rare Carat$4,235 USD

19 data points across 16 retailers

17 retailers$784 USD to $3,218 USD

A
Cheapest Retailer
-
$784 USD
Final sale: no returns
A
Retailer 2
-
$990 USD
View
A
Retailer 3
-
$1,168 USD
View
A
Retailer 4
-
$1,260 USD
€1,200 EUR
View
A
Retailer 5
-
$1,302 USD
£1,025 GBP
View
A
Retailer 6
-
$1,834 USD
A$2,822 AUD
View
A
Retailer 7
-
$1,892 USD
ZAR 30,573 ZAR
View
B+
Retailer 8
-
$2,008 USD
View
B+
Retailer 9
-
$2,144 USD
View
B+
Retailer 10
-
$2,545 USD
£2,004 GBP
View
B+
Retailer 11
-
$2,650 USD
View
B+
Retailer 12
-
$2,734 USD
SGD 3,694 SGD
View
B+
Retailer 13
-
$2,801 USD
View
B+
Retailer 14
-
$2,905 USD
View
B+
Retailer 15
-
$3,218 USD
£2,534 GBP
View
Retailer 16
-
$3,704 USD
A$5,698 AUD
View
Price last confirmed 23 days ago
Most Expensive
Rare Carat
CN193-29A · Oct 21
$4,235 USD
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from $784 USDSave up to $2,434 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
3.17ct Radiant
$784 USD