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Round|Lab Grown|IGI

1.53ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG447098938

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447098938

Diamond specifications and retailer prices

From $850 USD
As of October 31, 2026
Save $3,784 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,634 USD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447098938 or 447098938. Listed at 12 retailers as of October 29, 2026, with prices from $850 to $4,634, a $3,784 spread on the same certified stone. MOH London lists it at $4,634. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447098938
Dimensions7.42 × 7.47 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.42 mm7.47 mm1.53 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447098938
Side View
Table 59.5%Crown 31.5°GirdlePavilion 41.3°Culet: NoneDepth 60.7%

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: Oct 31
Current: $4,634 USD|Low: $850 USD|High: $4,671 USD|Avg: $2,212 USD|+0.5%
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 6$850 USD
Retailer 7$1,391 USD
Retailer 11$1,514 USD
Retailer 10$1,558 USD
Retailer 8$1,614 USD
Retailer 13$1,614 USD
Retailer 3$1,785 USD
Retailer 5$2,205 USD
Retailer 9$2,548 USD
Retailer 2$2,919 USD
Retailer 4$2,929 USD
Retailer 12$3,025 USD
MOH London$4,634 USD

37 data points across 13 retailers

12 retailers$850 USD to $4,634 USD

A
Cheapest Retailer
-
$850 USD
B+
Retailer 2
-
$1,391 USD
View
B+
Retailer 3
-
$1,514 USD
View
B+
Retailer 4
-
$1,558 USD
View
Final sale: no returns
Retailer 5
-
$1,614 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,614 USD
View
B
Retailer 7
-
$1,785 USD
View
B
Retailer 8
-
$2,548 USD
View
B
Retailer 9
-
$2,919 USD
£2,299 GBP
View
B
Retailer 10
-
$2,929 USD
View
B
Retailer 11
-
$3,025 USD
View
Most Expensive
B
MOH London
LG447098938 · Oct 29
$4,634 USD
£3,649 GBP
View
11 more retailers have this diamond
Prices start from $850 USDSave up to $3,784 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
$850 USD