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Round|Lab Grown|IGI

3.17ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG508124172

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508124172

Diamond specifications and retailer prices

From $725 USD
As of October 29, 2026
Save $2,581 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,306 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.17ct lab-grown round diamond

This 3.17ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508124172 or 508124172. Listed at 15 retailers as of October 26, 2026, with prices from $725 to $3,306, a $2,581 spread on the same certified stone. MOH London lists it at $3,306. 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
J
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508124172
Dimensions9.46 × 9.43 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.46 mm9.43 mm3.17 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508124172
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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 29
Current: $3,306 USD|Low: $725 USD|High: $3,341 USD|Avg: $1,730 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 8$725 USD
Retailer 11$811 USD
Retailer 3$973 USD
Retailer 2$1,015 USD
Retailer 10$1,146 USD
Retailer 7$1,364 USD
Retailer 12$1,544 USD
Retailer 4$1,578 USD
Retailer 5$1,687 USD
Retailer 6$2,070 USD
Retailer 9$2,740 USD
Retailer 13$2,898 USD
MOH London$3,306 USD

19 data points across 13 retailers

15 retailers$725 USD to $3,306 USD

A
Cheapest Retailer
-
$725 USD
A
Retailer 2
-
$788 USD
View
A
Retailer 3
-
$811 USD
View
Final sale: no returns
A
Retailer 4
-
$841 USD
View
Retailer 5
-
$841 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$973 USD
HK$7,600 HKD
View
A
Retailer 7
-
$1,015 USD
View
B+
Retailer 8
-
$1,146 USD
View
B+
Retailer 9
-
$1,364 USD
View
B
Retailer 10
-
$1,544 USD
View
B
Retailer 11
-
$2,070 USD
View
B
Retailer 12
-
$2,363 USD
View
B
Retailer 13
-
$2,740 USD
View
B
Retailer 14
-
$2,898 USD
View
Most Expensive
B
MOH London
LG508124172 · Oct 26
$3,306 USD
£2,603 GBP
View
14 more retailers have this diamond
Prices start from $725 USDSave up to $2,581 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 Round
$725 USD