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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 $1,597 NZD
$900 USD
As of October 30, 2026
Save $5,794 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,391 NZD 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 $1,597 to $7,391, a $5,794 spread on the same certified stone. MOH London lists it at $7,391. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,391 NZD|Low: $1,597 NZD|High: $7,479 NZD|Avg: $3,532 NZD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,597 NZD
Retailer 3$1,980 NZD
Retailer 6$2,216 NZD
Retailer 4$2,298 NZD
Retailer 7$2,298 NZD
Retailer 9$3,291 NZD
Retailer 5$3,653 NZD
Retailer 8$4,659 NZD
Retailer 10$5,138 NZD
MOH London$7,391 NZD

14 data points across 10 retailers

10 retailers$1,597 NZD to $7,391 NZD

A
Cheapest Retailer
-
$1,597 NZD
$900 USD
B+
Retailer 2
-
$1,980 NZD
$1,116 USD
View
B+
Retailer 3
-
$2,154 NZD
$1,214 USD
View
B+
Retailer 4
-
$2,216 NZD
$1,249 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,298 NZD
$1,295 USD
View
Retailer 6
-
$2,298 NZD
$1,295 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,653 NZD
$2,059 USD
View
B
Retailer 8
-
$4,306 NZD
$2,427 USD
View
B
Retailer 9
-
$4,659 NZD
$2,626 USD
View
Most Expensive
B
MOH London
LG425065245 · Oct 25
$7,391 NZD
£3,280 GBP
View
9 more retailers have this diamond
Prices start from $1,597 NZDSave up to $5,794 NZD

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
$1,597 NZD