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Oval|Lab Grown|IGI

1.60ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451058155

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451058155

Diamond specifications and retailer prices

From $880 USD
As of October 31, 2026
Save $3,545 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,425 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.6ct lab-grown oval diamond

This 1.6ct 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 LG451058155 or 451058155. Listed at 11 retailers as of October 31, 2026, with prices from $880 to $4,425, a $3,545 spread on the same certified stone. MOH London lists it at $4,425. 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

1.60
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451058155
Dimensions9.09 × 6.67 × 4.21 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.09 mm6.67 mm1.60 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451058155
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 63.1%

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: $4,425 USD|Low: $880 USD|High: $4,483 USD|Avg: $2,248 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$880 USD
Retailer 3$1,187 USD
Retailer 6$1,329 USD
Retailer 4$1,377 USD
Retailer 7$1,550 USD
Retailer 9$1,955 USD
Retailer 5$2,186 USD
Retailer 8$2,638 USD
Retailer 10$3,943 USD
MOH London$4,425 USD

16 data points across 10 retailers

11 retailers$880 USD to $4,425 USD

A
Cheapest Retailer
-
$880 USD
A
Retailer 2
-
$1,187 USD
View
A
Retailer 3
-
$1,292 USD
View
A
Retailer 4
-
$1,329 USD
View
Final sale: no returns
A
Retailer 5
-
$1,377 USD
View
Retailer 6
-
$1,377 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$1,550 USD
View
B+
Retailer 8
-
$2,186 USD
View
B
Retailer 9
-
$2,581 USD
View
B
Retailer 10
-
$2,638 USD
View
Most Expensive
B
MOH London
LG451058155 · Nov 1
$4,425 USD
£3,484 GBP
View
10 more retailers have this diamond
Prices start from $880 USDSave up to $3,545 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
1.60ct Oval
$880 USD