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Round|Lab Grown|IGI

1.33ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG407979968

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407979968

Diamond specifications and retailer prices

From $750 USD
As of October 31, 2026
Save $3,131 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,881 USD at MOH London · As of October 27, 2026
View at MOH London

About this 1.33ct lab-grown round diamond

This 1.33ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407979968 or 407979968. Listed at 14 retailers as of October 27, 2026, with prices from $750 to $3,881, a $3,131 spread on the same certified stone. MOH London lists it at $3,881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407979968
Dimensions7.07 × 7.05 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.07 mm7.05 mm1.33 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407979968
Side View
Table 60.5%Crown 32.7°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 60.9%

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 31
Current: $3,881 USD|Low: $713 USD|High: $3,928 USD|Avg: $1,717 USD|+0.1%
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
October 30, 2026
Retailer 2$750 USD
Retailer 9$892 USD
Retailer 12$998 USD
Retailer 4$1,000 USD
Retailer 10$1,034 USD
Retailer 14$1,034 USD
Retailer 3$1,210 USD
Retailer 5$1,529 USD
Retailer 11$1,659 USD
Retailer 7$1,901 USD
Retailer 8$2,301 USD
Retailer 13$2,850 USD
Retailer 6$2,960 USD
MOH London$3,881 USD

23 data points across 14 retailers

14 retailers$750 USD to $3,881 USD

A
Cheapest Retailer
-
$750 USD
B+
Retailer 2
-
$892 USD
View
B+
Retailer 3
-
$970 USD
View
B+
Retailer 4
-
$998 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,000 USD
View
B+
Retailer 6
-
$1,034 USD
View
Retailer 7
-
$1,034 USD
View
Price last confirmed 15 days ago
B
Retailer 8
-
$1,210 USD
View
B
Retailer 9
-
$1,659 USD
View
B
Retailer 10
-
$1,901 USD
ZAR 30,710 ZAR
View
B
Retailer 11
-
$2,301 USD
View
B
Retailer 12
-
$2,850 USD
£2,244 GBP
View
B
Retailer 13
-
$2,908 USD
View
Most Expensive
B
MOH London
LG407979968 · Oct 27
$3,881 USD
£3,056 GBP
View
13 more retailers have this diamond
Prices start from $750 USDSave up to $3,131 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
1.33ct Round
$750 USD