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Oval|Lab Grown|IGI

1.53ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036452

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036452

Diamond specifications and retailer prices

From $850 USD
As of October 30, 2026
Save $2,023 USD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,950 USD at MOH London · As of October 19, 2026
View at MOH London

About this 1.53ct lab-grown oval diamond

This 1.53ct lab-grown oval 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 LG445036452 or 445036452. Listed at 12 retailers as of October 30, 2026, with a 238% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036452
Dimensions9.00 × 6.44 × 4.11 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.00 mm6.44 mm1.53 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036452
Side View
Table 59.5%Crown 37°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

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 30
Current: $4,950 USD|Low: $850 USD|High: $4,990 USD|Avg: $2,259 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
Retailer 14
October 30, 2026
Retailer 2$850 USD
Retailer 8$1,321 USD
Retailer 12$1,437 USD
Retailer 13$1,478 USD
Retailer 9$1,533 USD
Retailer 14$1,533 USD
Retailer 3$1,705 USD
Retailer 5$2,108 USD
Retailer 7$2,195 USD
Retailer 10$2,424 USD
Retailer 4$2,857 USD
Retailer 11$2,873 USD
Retailer 6$4,388 USD
MOH London$4,950 USD

37 data points across 14 retailers

12 retailers$850 USD to $2,873 USD

A
Cheapest Retailer
-
$850 USD
B+
Retailer 2
-
$1,321 USD
View
B+
Retailer 3
-
$1,437 USD
View
B+
Retailer 4
-
$1,478 USD
View
Final sale: no returns
Retailer 5
-
$1,533 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,533 USD
View
B+
Retailer 7
-
$1,705 USD
View
B+
Retailer 8
-
$2,195 USD
£1,728 GBP
View
B
Retailer 9
-
$2,424 USD
View
B
Retailer 10
-
$2,857 USD
View
B
Retailer 11
-
$2,873 USD
View
Most Expensive
MOH London
LG445036452 · Oct 19
$4,950 USD
£3,898 GBP
View
Price last confirmed 12 days ago
11 more retailers have this diamond
Prices start from $850 USDSave up to $2,023 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 Oval
$850 USD