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Oval|Lab Grown|IGI

1.76ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451055728

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055728

Diamond specifications and retailer prices

From $970 USD
As of October 31, 2026
Save $4,614 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,584 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.76ct lab-grown oval diamond

This 1.76ct 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 LG451055728 or 451055728. Listed at 10 retailers as of October 31, 2026, with prices from $970 to $5,584, a $4,614 spread on the same certified stone. MOH London lists it at $5,584. 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

1.76
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055728
Dimensions9.15 × 6.82 × 4.32 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.15 mm6.82 mm1.76 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451055728
Side View
Table 58.0%Crown 36.9°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 63.3%

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 31
Current: $5,584 USD|Low: $970 USD|High: $5,659 USD|Avg: $2,698 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$970 USD
Retailer 4$1,686 USD
Retailer 8$1,834 USD
Retailer 5$1,955 USD
Retailer 9$2,125 USD
Retailer 10$2,620 USD
Retailer 6$3,071 USD
Retailer 3$3,371 USD
Retailer 7$3,665 USD
MOH London$5,584 USD

17 data points across 10 retailers

10 retailers$970 USD to $5,584 USD

A
Cheapest Retailer
-
$970 USD
B+
Retailer 2
-
$1,686 USD
View
B+
Retailer 3
-
$1,834 USD
View
Retailer 4
-
$1,955 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$1,955 USD
View
B+
Retailer 6
-
$2,125 USD
View
B
Retailer 7
-
$3,071 USD
View
B
Retailer 8
-
$3,371 USD
View
B
Retailer 9
-
$3,665 USD
View
Most Expensive
B
MOH London
LG451055728 · Nov 1
$5,584 USD
£4,397 GBP
View
9 more retailers have this diamond
Prices start from $970 USDSave up to $4,614 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
1.76ct Oval
$970 USD