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Oval|Lab Grown|IGI

1.37ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG547268178

Shape and cutting style on the report: Oval rose cut

Certificate IGI LG547268178

Diamond specifications and retailer prices

From $307 USD
As of November 5, 2026
Save $918 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,225 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.37ct lab-grown oval diamond

This 1.37ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547268178 or 547268178. Listed at 8 retailers as of November 5, 2026, with prices from $307 to $1,225, a $918 spread on the same certified stone. NZ Jewellers lists it at $1,225. 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

1.37
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.4°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547268178
Dimensions9.68 × 7.14 × 2.33 mm
L/W Ratio1.36
Girdle conditionFaceted
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
9.68 mm7.14 mm1.37 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547268178
Side View
Table 63.0%Crown 27.4°Girdle: THN-VTKPavilion 31.7°CuletDepth

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,225 USD|Low: $295 USD|High: $1,575 USD|Avg: $602 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 3$307 USD
Retailer 7$356 USD
Retailer 4$381 USD
Retailer 6$381 USD
Retailer 2$535 USD
Retailer 5$622 USD
Retailer 8$634 USD
NZ Jewellers$1,225 USD

14 data points across 8 retailers

8 retailers$307 USD to $1,225 USD

A
Cheapest Retailer
-
$307 USD
A
Retailer 2
-
$356 USD
View
Retailer 3
-
$381 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$381 USD
View
B+
Retailer 5
-
$535 USD
View
B+
Retailer 6
-
$622 USD
View
B+
Retailer 7
-
$634 USD
View
Most Expensive
B
NZ Jewellers
a034889d-503e-4562-9591-35d3e104d6ff · Nov 5
$1,225 USD
View
7 more retailers have this diamond
Prices start from $307 USDSave up to $918 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
1.37ct Oval
$307 USD