Radiant|Lab Grown|IGI

3.51ct I VS1 Radiant Lab Grown Diamond

GD • I/VS1 • IGI LG783608735

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

Certificate IGI LG783608735

Diamond specifications and retailer prices

From $558 USD
As of November 2, 2026
Save $2,446 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,004 USD at MOH London · As of November 3, 2026
View at MOH London

About this 3.51ct lab-grown radiant diamond

This 3.51ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG783608735 or 783608735. Listed at 16 retailers as of November 2, 2026, with prices from $558 to $3,004, a $2,446 spread on the same certified stone. MOH London lists it at $3,004. 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

3.51
Carat
I
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783608735
Dimensions10.01 × 7.93 × 4.86 mm
L/W Ratio1.26
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.01 mm7.93 mm3.51 ctI / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783608735
Side View
Table 75.0%Crown 38.8°Girdle: ThickPavilion 32.7°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,004 USD|Low: $536 USD|High: $3,039 USD|Avg: $1,451 USD
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
Retailer 14
Retailer 15
November 3, 2026
Retailer 11$558 USD
Retailer 3$625 USD
Retailer 15$625 USD
Retailer 12$692 USD
Retailer 10$825 USD
Retailer 4$1,062 USD
Retailer 14$1,066 USD
Retailer 6$1,073 USD
Retailer 2$1,502 USD
Retailer 9$1,785 USD
Retailer 13$1,819 USD
Retailer 5$2,012 USD
Retailer 7$2,243 USD
Retailer 8$2,460 USD
MOH London$3,004 USD

27 data points across 15 retailers

16 retailers$558 USD to $3,004 USD

B+
Cheapest Retailer
-
$558 USD
B+
Retailer 2
-
$625 USD
View
Final sale: no returns
B+
Retailer 3
-
$625 USD
View
B+
Retailer 4
-
$692 USD
View
Retailer 5
-
$692 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$825 USD
View
B+
Retailer 7
-
$1,062 USD
View
B+
Retailer 8
-
$1,066 USD
View
B+
Retailer 9
-
$1,073 USD
View
B+
Retailer 10
-
$1,502 USD
ZAR 24,259 ZAR
View
B+
Retailer 11
-
$1,785 USD
View
B
Retailer 12
-
$1,819 USD
View
B
Retailer 13
-
$2,012 USD
£1,584 GBP
View
B
Retailer 14
-
$2,243 USD
View
B
Retailer 15
-
$2,460 USD
View
Most Expensive
B
MOH London
LG783608735 · Nov 3
$3,004 USD
£2,365 GBP
View
15 more retailers have this diamond
Prices start from $558 USDSave up to $2,446 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+
3.51ct Radiant
$558 USD