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Oval|Lab Grown|IGI

0.81ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG497170759

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497170759

Diamond specifications and retailer prices

From $630 USD
As of October 29, 2026
Save $625 USD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,456 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.81ct lab-grown oval diamond

This 0.81ct lab-grown oval sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497170759 or 497170759. Listed at 12 retailers as of October 28, 2026, with a 99% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.81
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497170759
Dimensions7.48 × 5.23 × 3.32 mm
L/W Ratio1.43
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
7.48 mm5.23 mm0.81 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497170759
Side View
Table 55.0%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,228 USD|Low: $485 USD|High: $3,283 USD|Avg: $1,422 USD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
October 29, 2026
Retailer 8$485 USD
Retailer 5$630 USD
Retailer 4$664 USD
Retailer 7$743 USD
Retailer 1$1,228 USD
Retailer 6$1,255 USD
Retailer 3$1,967 USD
Reve Diamonds$2,456 USD
Retailer 2$3,249 USD

40 data points across 9 retailers

12 retailers$630 USD to $1,255 USD

B+
Cheapest Retailer
-
$630 USD
B+
Retailer 2
-
$664 USD
View
B
Retailer 3
-
$722 USD
View
B
Retailer 4
-
$743 USD
View
Final sale: no returns
B
Retailer 5
-
$770 USD
View
B
Retailer 6
-
$770 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
$1,228 USD
£967 GBP
View
B
Retailer 8
-
$1,255 USD
View
B
Retailer 9
-
$1,967 USD
View
Price under review
B
Retailer 10
-
$2,165 USD
View
Price under review
Most Expensive
B
Reve Diamonds
09445CE77 · Oct 28
$2,456 USD
View
Price under review
10 more retailers have this diamond
Prices start from $630 USDSave up to $625 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.

B+
0.81ct Oval
$630 USD