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Round|Lab Grown|IGI

1.33ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG492111875

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492111875

Diamond specifications and retailer prices

From $750 USD
As of October 31, 2026
Save $3,126 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,876 USD at MOH London · As of November 1, 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 LG492111875 or 492111875. Listed at 12 retailers as of October 31, 2026, with prices from $750 to $3,876, a $3,126 spread on the same certified stone. MOH London lists it at $3,876. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492111875
Dimensions7.05 × 7.01 × 4.32 mm
L/W Ratio1.01
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
7.05 mm7.01 mm1.33 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492111875
Side View
Table 57.5%Crown 35.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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 31
Current: $3,876 USD|Low: $713 USD|High: $3,928 USD|Avg: $1,621 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$750 USD
Retailer 8$892 USD
Retailer 11$998 USD
Retailer 9$1,034 USD
Retailer 13$1,034 USD
Retailer 12$1,210 USD
Retailer 4$1,291 USD
Retailer 3$1,529 USD
Retailer 10$1,659 USD
Retailer 6$1,901 USD
Retailer 7$2,301 USD
Retailer 5$2,315 USD
MOH London$3,876 USD

23 data points across 13 retailers

12 retailers$750 USD to $3,876 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
-
$1,034 USD
View
Retailer 6
-
$1,034 USD
View
Price last confirmed 15 days ago
B
Retailer 7
-
$1,210 USD
View
B
Retailer 8
-
$1,659 USD
View
B
Retailer 9
-
$1,901 USD
ZAR 30,710 ZAR
View
B
Retailer 10
-
$2,301 USD
View
B
Retailer 11
-
$2,908 USD
View
Most Expensive
B
MOH London
LG492111875 · Nov 1
$3,876 USD
£3,052 GBP
View
11 more retailers have this diamond
Prices start from $750 USDSave up to $3,126 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