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Oval|Lab Grown|IGI

4.53ct H SI1 Oval Lab Grown Diamond

EX • H/SI1 • IGI LG559270991

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG559270991

Diamond specifications and retailer prices

From $977 USD
As of October 30, 2026
Save $2,046 USD (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,023 USD at MOH London · As of October 26, 2026
View at MOH London

About this 4.53ct lab-grown oval diamond

This 4.53ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559270991 or 559270991. Listed at 5 retailers as of October 26, 2026, with prices from $977 to $3,023, a $2,046 spread on the same certified stone. MOH London lists it at $3,023. 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

4.53
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559270991
Dimensions13.23 × 9.49 × 5.86 mm
L/W Ratio1.39
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
13.23 mm9.49 mm4.53 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559270991
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.7%

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: Oct 30
Current: $3,023 USD|Low: $567 USD|High: $3,136 USD|Avg: $1,699 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 8$567 USD
Retailer 3$630 USD
Retailer 2$977 USD
Retailer 4$1,047 USD
Retailer 6$1,829 USD
Retailer 5$2,083 USD
MOH London$3,023 USD
Retailer 7$3,136 USD

11 data points across 8 retailers

5 retailers$977 USD to $3,023 USD

Retailer 1
-
$630 USD
Price last confirmed 16 days ago
B+
Retailer 2
-
$977 USD
View
A
Retailer 3
-
$1,047 USD
View
B+
Retailer 4
-
$2,083 USD
View
Most Expensive
B+
MOH London
LG559270991 · Oct 26
$3,023 USD
£2,380 GBP
View
4 more retailers have this diamond
Prices start from $977 USDSave up to $2,046 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
4.53ct Oval
$977 USD