CaratHunter
Plans
Round|Lab Grown|IGI

1.53ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG445039335

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445039335

Diamond specifications and retailer prices

From $952 USD
As of November 5, 2026
Save $2,783 USD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,735 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445039335 or 445039335. Listed at 9 retailers as of November 5, 2026, with prices from $952 to $3,735, a $2,783 spread on the same certified stone. MOH London lists it at $3,735. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039335
Dimensions7.33 × 7.38 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.33 mm7.38 mm1.53 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039335
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.7%

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: Nov 5
Current: $3,735 USD|Low: $952 USD|High: $3,796 USD|Avg: $2,016 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$952 USD
Retailer 5$1,104 USD
Retailer 2$1,280 USD
Retailer 7$1,622 USD
Retailer 6$1,768 USD
Retailer 3$2,380 USD
MOH London$3,735 USD

17 data points across 7 retailers

9 retailers$952 USD to $3,735 USD

A
Cheapest Retailer
-
$952 USD
A
Retailer 2
-
$1,036 USD
View
A
Retailer 3
-
$1,104 USD
View
Retailer 4
-
$1,104 USD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$1,280 USD
View
B+
Retailer 6
-
$1,768 USD
View
B
Retailer 7
-
$2,380 USD
View
B
Retailer 8
-
$3,105 USD
View
Most Expensive
B
MOH London
LG445039335 · Nov 5
$3,735 USD
£2,941 GBP
View
8 more retailers have this diamond
Prices start from $952 USDSave up to $2,783 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
1.53ct Round
$952 USD