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1.60ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG447001324

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001324

Diamond specifications and retailer prices

From $1,615 NZD
$910 USD
As of October 30, 2026
Save $6,574 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,189 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001324 or 447001324. Listed at 11 retailers as of October 25, 2026, with prices from $1,615 to $8,189, a $6,574 spread on the same certified stone. MOH London lists it at $8,189. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001324
Dimensions7.50 × 7.45 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.50 mm7.45 mm1.60 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001324
Side View
Table 55.0%Crown 34.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

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: $8,189 NZD|Low: $1,615 NZD|High: $8,288 NZD|Avg: $3,650 NZD|+0.1%
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$1,615 NZD
Retailer 3$2,195 NZD
Retailer 6$2,457 NZD
Retailer 4$2,544 NZD
Retailer 7$2,848 NZD
Retailer 10$3,025 NZD
Retailer 9$3,593 NZD
Retailer 5$4,033 NZD
Retailer 8$4,876 NZD
MOH London$8,189 NZD

15 data points across 10 retailers

11 retailers$1,615 NZD to $8,189 NZD

A
Cheapest Retailer
-
$1,615 NZD
$910 USD
B+
Retailer 2
-
$2,195 NZD
$1,237 USD
View
B+
Retailer 3
-
$2,386 NZD
$1,345 USD
View
B+
Retailer 4
-
$2,457 NZD
$1,385 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,544 NZD
$1,434 USD
View
Retailer 6
-
$2,544 NZD
$1,434 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$2,848 NZD
$1,605 USD
View
B
Retailer 8
-
$4,033 NZD
$2,273 USD
View
B
Retailer 9
-
$4,771 NZD
$2,689 USD
View
B
Retailer 10
-
$4,876 NZD
$2,748 USD
View
Most Expensive
B
MOH London
LG447001324 · Oct 25
$8,189 NZD
£3,634 GBP
View
10 more retailers have this diamond
Prices start from $1,615 NZDSave up to $6,574 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
$1,615 NZD