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0.80ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG783642945

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783642945

Diamond specifications and retailer prices

From $185 USD
As of November 4, 2026
Save $700 USD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $885 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.8ct lab-grown round diamond

This 0.8ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783642945 or 783642945. Listed at 9 retailers as of November 4, 2026, with prices from $185 to $885, a $700 spread on the same certified stone. MOH London lists it at $885. 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

0.80
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783642945
Dimensions6.01 × 6.03 × 3.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.01 mm6.03 mm0.80 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783642945
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

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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: Nov 4
Current: $885 USD|Low: $185 USD|High: $893 USD|Avg: $447 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$185 USD
Retailer 5$249 USD
Retailer 2$327 USD
Retailer 8$346 USD
Retailer 4$370 USD
Retailer 7$425 USD
Retailer 6$570 USD
Retailer 9$665 USD
MOH London$885 USD

41 data points across 9 retailers

9 retailers$185 USD to $885 USD

A
Cheapest Retailer
-
$185 USD
A
Retailer 2
-
$249 USD
View
B+
Retailer 3
-
$327 USD
View
B+
Retailer 4
-
$346 USD
View
B+
Retailer 5
-
$370 USD
View
B+
Retailer 6
-
$425 USD
View
B
Retailer 7
-
$570 USD
View
B
Retailer 8
-
$665 USD
View
Most Expensive
B
MOH London
LG783642945 · Nov 4
$885 USD
£697 GBP
View
8 more retailers have this diamond
Prices start from $185 USDSave up to $700 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
0.80ct Round
$185 USD