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Round|Lab Grown|IGI

1.60ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG425065245

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065245

Diamond specifications and retailer prices

From $1,116 USD
As of October 29, 2026
Save $3,050 USD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,166 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425065245 or 425065245. Listed at 10 retailers as of October 25, 2026, with prices from $1,116 to $4,166, a $3,050 spread on the same certified stone. MOH London lists it at $4,166. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065245
Dimensions7.60 × 7.58 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.60 mm7.58 mm1.60 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065245
Side View
Table 58.0%Crown 31.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.0%

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 29
Current: $4,166 USD|Low: $891 USD|High: $4,215 USD|Avg: $1,985 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 2$1,116 USD
Retailer 3$1,140 USD
Retailer 6$1,249 USD
Retailer 4$1,295 USD
Retailer 7$1,295 USD
Retailer 9$1,855 USD
Retailer 5$2,059 USD
Retailer 8$2,626 USD
Retailer 10$2,896 USD
MOH London$4,166 USD

14 data points across 10 retailers

10 retailers$1,116 USD to $4,166 USD

A
Cheapest Retailer
-
$1,116 USD
A
Retailer 2
-
$1,140 USD
View
A
Retailer 3
-
$1,214 USD
View
A
Retailer 4
-
$1,249 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,295 USD
View
Retailer 6
-
$1,295 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,059 USD
View
B
Retailer 8
-
$2,427 USD
View
B
Retailer 9
-
$2,626 USD
View
Most Expensive
B
MOH London
LG425065245 · Oct 25
$4,166 USD
£3,280 GBP
View
9 more retailers have this diamond
Prices start from $1,116 USDSave up to $3,050 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 Round
$1,116 USD