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1.56ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG442068642

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442068642

Diamond specifications and retailer prices

From $1,526 NZD
$860 USD
As of October 31, 2026
Save $6,956 NZD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,482 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442068642 or 442068642. Listed at 10 retailers as of October 29, 2026, with prices from $1,526 to $8,482, a $6,956 spread on the same certified stone. MOH London lists it at $8,482. 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

1.56
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442068642
Dimensions7.56 × 7.46 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.56 mm7.46 mm1.56 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442068642
Side View
Table 57.5%Crown 33°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: $8,482 NZD|Low: $1,526 NZD|High: $8,549 NZD|Avg: $3,849 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,526 NZD
Retailer 5$2,264 NZD
Retailer 8$2,463 NZD
Retailer 10$2,534 NZD
Retailer 6$2,626 NZD
Retailer 3$3,067 NZD
Retailer 12$3,632 NZD
Retailer 7$4,159 NZD
Retailer 11$4,894 NZD
Retailer 9$4,922 NZD
Retailer 4$5,877 NZD
MOH London$8,482 NZD

17 data points across 12 retailers

10 retailers$1,526 NZD to $8,482 NZD

A
Cheapest Retailer
-
$1,526 NZD
$860 USD
B+
Retailer 2
-
$2,264 NZD
$1,276 USD
View
B+
Retailer 3
-
$2,463 NZD
$1,388 USD
View
B+
Retailer 4
-
$2,534 NZD
$1,428 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,626 NZD
$1,480 USD
View
Retailer 6
-
$2,626 NZD
$1,480 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$4,159 NZD
$2,344 USD
View
B
Retailer 8
-
$4,894 NZD
$2,758 USD
View
B
Retailer 9
-
$4,922 NZD
$2,774 USD
View
Most Expensive
B
MOH London
LG442068642 · Oct 29
$8,482 NZD
£3,764 GBP
View
9 more retailers have this diamond
Prices start from $1,526 NZDSave up to $6,956 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
1.56ct Round
$1,526 NZD