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1.35ct K VS1 Round Lab Grown Diamond

EX • K/VS1 • IGI LG451057004

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057004

Diamond specifications and retailer prices

From $1,210 USD
As of November 5, 2026
Save $3,301 USD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,511 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451057004 or 451057004. Listed at 10 retailers as of November 1, 2026, with prices from $1,210 to $4,511, a $3,301 spread on the same certified stone. MOH London lists it at $4,511. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
K
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057004
Dimensions7.25 × 7.29 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
7.25 mm7.29 mm1.35 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057004
Side View
Table 58.0%Crown 31.4°Girdle: MediumPavilion 40.2°Culet: NoneDepth 58.2%

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: Nov 5
Current: $4,511 USD|Low: $1,162 USD|High: $4,564 USD|Avg: $2,406 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 4$1,210 USD
Retailer 5$1,404 USD
Retailer 7$1,404 USD
Retailer 3$1,575 USD
Retailer 8$1,978 USD
Retailer 6$2,226 USD
Retailer 2$2,583 USD
Retailer 9$2,689 USD
Retailer 10$3,140 USD
MOH London$4,511 USD

21 data points across 10 retailers

10 retailers$1,210 USD to $4,511 USD

B+
Cheapest Retailer
-
$1,210 USD
B+
Retailer 2
-
$1,317 USD
View
Retailer 3
-
$1,404 USD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$1,404 USD
View
B
Retailer 5
-
$1,575 USD
View
B
Retailer 6
-
$2,226 USD
View
B
Retailer 7
-
$2,583 USD
View
B
Retailer 8
-
$2,631 USD
View
B
Retailer 9
-
$2,689 USD
View
Most Expensive
B
MOH London
LG451057004 · Nov 1
$4,511 USD
£3,552 GBP
View
9 more retailers have this diamond
Prices start from $1,210 USDSave up to $3,301 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+
1.35ct Round
$1,210 USD