CaratHunter
Plans
Round|Lab Grown|IGI

1.59ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436045603

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436045603

Diamond specifications and retailer prices

From $1,561 NZD
$880 USD
As of October 31, 2026
Save $7,033 NZD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,594 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.59ct lab-grown round diamond

This 1.59ct 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 LG436045603 or 436045603. Listed at 10 retailers as of October 31, 2026, with prices from $1,561 to $8,594, a $7,033 spread on the same certified stone. MOH London lists it at $8,594. 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

1.59
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045603
Dimensions7.41 × 7.47 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.41 mm7.47 mm1.59 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045603
Side View
Table 61.5%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

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: $8,594 NZD|Low: $1,561 NZD|High: $8,698 NZD|Avg: $3,990 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,561 NZD
Retailer 4$2,307 NZD
Retailer 7$2,509 NZD
Retailer 9$2,583 NZD
Retailer 5$2,676 NZD
Retailer 11$3,692 NZD
Retailer 6$4,233 NZD
Retailer 10$4,986 NZD
Retailer 8$5,014 NZD
Retailer 3$5,988 NZD
MOH London$8,594 NZD

16 data points across 11 retailers

10 retailers$1,561 NZD to $8,594 NZD

A
Cheapest Retailer
-
$1,561 NZD
$880 USD
B+
Retailer 2
-
$2,307 NZD
$1,300 USD
View
B+
Retailer 3
-
$2,509 NZD
$1,414 USD
View
B+
Retailer 4
-
$2,583 NZD
$1,456 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,676 NZD
$1,508 USD
View
Retailer 6
-
$2,676 NZD
$1,508 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$4,233 NZD
$2,386 USD
View
B
Retailer 8
-
$4,986 NZD
$2,810 USD
View
B
Retailer 9
-
$5,014 NZD
$2,826 USD
View
Most Expensive
B
MOH London
LG436045603 · Nov 1
$8,594 NZD
£3,814 GBP
View
9 more retailers have this diamond
Prices start from $1,561 NZDSave up to $7,033 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
1.59ct Round
$1,561 NZD