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0.80ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG301781271

Shape and cutting style on the report: Round brilliant

Certificate IGI LG301781271

Diamond specifications and retailer prices

From $315 USD
€300 EUR
As of October 29, 2026
1 retailer carries this diamond
Only listing: $315 USD at Yorxs
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Yorxs

About this 0.8ct lab-grown round diamond

This 0.8ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG301781271 or 301781271. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG301781271
Dimensions6.05 × 6.02 × 3.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANTThis Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.05 mm6.02 mm0.80 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG301781271
Side View
Table 59.5%Crown 33.4°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $590 USD|Low: $250 USD|High: $590 USD|Avg: $384 USD
Retailer 1
Retailer 2
Yorxs
October 29, 2026
Retailer 2$250 USD
Yorxs$315 USD
Retailer 1$590 USD

10 data points across 3 retailers

1 retailer

B+
Yorxs
511553228 · Oct 29
$315 USD
€300 EUR
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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.

B+
0.80ct Round
$315 USD