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Oval|Lab Grown|IGI

1.50ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG492136358

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG492136358

Diamond specifications and retailer prices

From $930 USD
As of November 2, 2026
Save $3,813 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,743 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136358 or 492136358. Listed at 11 retailers as of November 1, 2026, with prices from $930 to $4,743, a $3,813 spread on the same certified stone. MOH London lists it at $4,743. 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

1.50
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136358
Dimensions9.14 × 6.52 × 4.12 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.14 mm6.52 mm1.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136358
Side View
Table 54.5%Crown 32.9°Girdle: MED-STKPavilion 42.6°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: Nov 2
Current: $4,743 USD|Low: $930 USD|High: $4,801 USD|Avg: $2,226 USD
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 2, 2026
Retailer 7$930 USD
Retailer 6$1,432 USD
Retailer 11$1,558 USD
Retailer 8$1,661 USD
Retailer 12$1,661 USD
Retailer 3$1,830 USD
Retailer 5$1,837 USD
Retailer 4$2,260 USD
Retailer 2$2,341 USD
Retailer 9$2,619 USD
Retailer 13$3,014 USD
Retailer 10$3,113 USD
MOH London$4,743 USD

37 data points across 13 retailers

11 retailers$930 USD to $4,743 USD

A
Cheapest Retailer
-
$930 USD
B+
Retailer 2
-
$1,432 USD
View
B+
Retailer 3
-
$1,558 USD
View
Retailer 4
-
$1,661 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$1,661 USD
View
B
Retailer 6
-
$1,830 USD
View
B
Retailer 7
-
$2,341 USD
£1,844 GBP
View
B
Retailer 8
-
$2,619 USD
View
B
Retailer 9
-
$3,014 USD
View
B
Retailer 10
-
$3,113 USD
View
Most Expensive
B
MOH London
LG492136358 · Nov 1
$4,743 USD
£3,735 GBP
View
10 more retailers have this diamond
Prices start from $930 USDSave up to $3,813 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
1.50ct Oval
$930 USD