CaratHunter
Plans
Round|Lab Grown|IGI

1.01ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG445039442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445039442

Diamond specifications and retailer prices

From $740 USD
As of October 29, 2026
Save $3,455 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,195 USD at MOH London · As of October 27, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG445039442 or 445039442. Listed at 13 retailers as of October 27, 2026, with prices from $740 to $4,195, a $3,455 spread on the same certified stone. MOH London lists it at $4,195. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039442
Dimensions6.36 × 6.38 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.36 mm6.38 mm1.01 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039442
Side View
Table 57.5%Crown 35.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,195 USD|Low: $740 USD|High: $4,246 USD|Avg: $1,869 USD|+0.2%
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
October 29, 2026
Retailer 10$740 USD
Retailer 9$1,065 USD
Retailer 3$1,159 USD
Retailer 14$1,193 USD
Retailer 11$1,235 USD
Retailer 13$1,235 USD
Retailer 4$1,410 USD
Retailer 5$1,760 USD
Retailer 12$1,968 USD
Retailer 2$2,271 USD
Retailer 15$2,315 USD
Retailer 6$2,505 USD
Retailer 8$2,735 USD
Retailer 7$2,765 USD
MOH London$4,195 USD

26 data points across 15 retailers

13 retailers$740 USD to $4,195 USD

A
Cheapest Retailer
-
$740 USD
B+
Retailer 2
-
$1,065 USD
View
B+
Retailer 3
-
$1,159 USD
View
B+
Retailer 4
-
$1,193 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,235 USD
View
B+
Retailer 6
-
$1,235 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$1,410 USD
View
B
Retailer 8
-
$1,968 USD
View
B
Retailer 9
-
$2,271 USD
ZAR 36,681 ZAR
View
B
Retailer 10
-
$2,315 USD
View
B
Retailer 11
-
$2,505 USD
View
B
Retailer 12
-
$2,735 USD
£2,153 GBP
View
Most Expensive
B
MOH London
LG445039442 · Oct 27
$4,195 USD
£3,303 GBP
View
12 more retailers have this diamond
Prices start from $740 USDSave up to $3,455 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
1.01ct Round
$740 USD