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Oval|Lab Grown|IGI

1.54ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445037679

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037679

Diamond specifications and retailer prices

From $850 USD
As of October 31, 2026
Save $4,047 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,897 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037679 or 445037679. Listed at 11 retailers as of October 31, 2026, with prices from $850 to $4,897, a $4,047 spread on the same certified stone. MOH London lists it at $4,897. 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

1.54
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037679
Dimensions9.15 × 6.53 × 4.13 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.15 mm6.53 mm1.54 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037679
Side View
Table 60.0%Crown 33.2°Girdle: MED-THKPavilion 42.2°Culet: NoneDepth 63.2%

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: $4,897 USD|Low: $850 USD|High: $4,957 USD|Avg: $2,658 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$850 USD
Retailer 3$1,478 USD
Retailer 6$1,655 USD
Retailer 4$1,715 USD
Retailer 7$1,885 USD
Retailer 9$2,326 USD
Retailer 5$2,704 USD
Retailer 8$3,112 USD
MOH London$4,897 USD
Retailer 10$4,910 USD

15 data points across 10 retailers

11 retailers$850 USD to $4,897 USD

A
Cheapest Retailer
-
$850 USD
B+
Retailer 2
-
$1,478 USD
View
B+
Retailer 3
-
$1,608 USD
View
B+
Retailer 4
-
$1,655 USD
View
Final sale: no returns
Retailer 5
-
$1,715 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$1,715 USD
View
B+
Retailer 7
-
$1,885 USD
View
B
Retailer 8
-
$2,704 USD
View
B
Retailer 9
-
$3,112 USD
View
B
Retailer 10
-
$3,214 USD
View
Most Expensive
B
MOH London
LG445037679 · Nov 1
$4,897 USD
£3,856 GBP
View
10 more retailers have this diamond
Prices start from $850 USDSave up to $4,047 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
1.54ct Oval
$850 USD