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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 $395 USD
As of October 28, 2026
Save $650 USD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,045 USD 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 28, 2026, with prices from $395 to $1,045, a $650 spread on the same certified stone. MOH London lists it at $1,045. 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
Color
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
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Price History

Last verified: Oct 28
Current: $1,045 USD|Low: $370 USD|High: $1,053 USD|Avg: $573 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$395 USD
Retailer 2$400 USD
Retailer 4$490 USD
Retailer 5$614 USD
MOH London$1,045 USD

41 data points across 5 retailers

5 retailers$395 USD to $1,045 USD

B+
Cheapest Retailer
-
$395 USD
A
Retailer 2
-
$400 USD
£315 GBP
View
A
Retailer 3
-
$490 USD
View
B+
Retailer 4
-
$614 USD
View
Most Expensive
B
MOH London
LG536298786 · Oct 29
$1,045 USD
£823 GBP
View
4 more retailers have this diamond
Prices start from $395 USDSave up to $650 USD

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
$395 USD