Radiant|Lab Grown|IGI

0.91ct J VS1 Radiant Lab Grown Diamond

VG • J/VS1 • IGI LG407950376

Shape and cutting style on the report: Radiant cut

Certificate IGI LG407950376

Diamond specifications and retailer prices

From $540 USD
As of October 31, 2026
Save $1,732 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,706 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG407950376 or 407950376. Listed at 11 retailers as of October 31, 2026, with a 321% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.91
Carat
J
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle43.9°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950376
Dimensions6.34 × 4.96 × 3.22 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.34 mm4.96 mm0.91 ctJ / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407950376
Side View
Table 64.5%Crown 43.9°Girdle: Slightly ThickPavilion 30.5°Culet: NoneDepth 64.9%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $3,706 USD|Low: $540 USD|High: $4,246 USD|Avg: $1,813 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
November 1, 2026
Retailer 2$540 USD
Retailer 8$852 USD
Retailer 12$927 USD
Retailer 13$953 USD
Retailer 9$989 USD
Retailer 3$1,165 USD
Retailer 4$1,501 USD
Retailer 10$1,591 USD
Retailer 6$1,913 USD
Retailer 7$2,272 USD
Retailer 11$2,779 USD
MOH London$3,706 USD
Retailer 5$4,246 USD

26 data points across 13 retailers

11 retailers$540 USD to $2,272 USD

B+
Cheapest Retailer
-
$540 USD
B
Retailer 2
-
$852 USD
View
B
Retailer 3
-
$927 USD
View
B
Retailer 4
-
$953 USD
View
Final sale: no returns
Retailer 5
-
$988 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
$989 USD
View
C
Retailer 7
-
$1,591 USD
View
B
Retailer 8
-
$1,913 USD
ZAR 30,900 ZAR
View
C
Retailer 9
-
$2,272 USD
View
Retailer 10
-
$2,779 USD
View
Price under review
Most Expensive
MOH London
LG407950376 · Nov 1
$3,706 USD
£2,918 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $540 USDSave up to $1,732 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+
0.91ct Radiant
$540 USD