Round|Lab Grown|IGI

1.70ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG536298786

Shape and cutting style on the report: Round brilliant

Certificate IGI LG536298786

Diamond specifications and retailer prices

From $703 NZD
$395 USD
As of October 30, 2026
Save $1,158 NZD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,861 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536298786 or 536298786. Listed at 5 retailers as of October 29, 2026, with prices from $703 to $1,861, a $1,158 spread on the same certified stone. MOH London lists it at $1,861. 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

1.70
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536298786
Dimensions7.58 × 7.63 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.58 mm7.63 mm1.70 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536298786
Side View
Table 56.5%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 62.7%

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: $1,861 NZD|Low: $659 NZD|High: $1,875 NZD|Avg: $1,020 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$703 NZD
Retailer 2$711 NZD
Retailer 4$872 NZD
Retailer 5$1,093 NZD
MOH London$1,861 NZD

41 data points across 5 retailers

5 retailers$703 NZD to $1,861 NZD

B+
Cheapest Retailer
-
$703 NZD
$395 USD
A
Retailer 2
-
$711 NZD
£315 GBP
View
A
Retailer 3
-
$872 NZD
$490 USD
View
B+
Retailer 4
-
$1,093 NZD
$614 USD
View
Most Expensive
B
MOH London
LG536298786 · Oct 29
$1,861 NZD
£823 GBP
View
4 more retailers have this diamond
Prices start from $703 NZDSave up to $1,158 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
1.70ct Round
$703 NZD