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1.80ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG706504960

Shape and cutting style on the report: Round brilliant

Certificate IGI LG706504960

Diamond specifications and retailer prices

From $423 USD
€403 EUR
As of October 29, 2026
Save $278 USD (40%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $701 USD at Adiamor · As of October 28, 2026
View at Adiamor

About this 1.8ct lab-grown round diamond

This 1.8ct 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 LG706504960 or 706504960. Listed at 3 retailers as of October 28, 2026, with prices from $423 to $701, a $278 spread on the same certified stone. Adiamor lists it at $701. 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

1.80
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706504960
Dimensions7.91 × 7.84 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm7.84 mm1.80 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706504960
Side View
Table 61.0%Crown 33°Girdle: MediumPavilion 41.1°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $701 USD|Low: $414 USD|High: $701 USD|Avg: $559 USD
Adiamor
Retailer 2
Retailer 3
October 29, 2026
Retailer 2$423 USD
Retailer 3$545 USD
Adiamor$701 USD

13 data points across 3 retailers

3 retailers$423 USD to $701 USD

A
Cheapest Retailer
-
$423 USD
€403 EUR
B+
Retailer 2
-
$545 USD
A$838 AUD
View
Most Expensive
B+
Adiamor
D-78024574 · Oct 28
$701 USD
View
2 more retailers have this diamond
Prices start from $423 USDSave up to $278 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
1.80ct Round
$423 USD