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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 $1,122 NZD
$630 USD
As of October 29, 2026
Save $1,113 NZD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,374 NZD at Reve Diamonds · As of October 30, 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
Colour
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: $2,193 NZD|Low: $864 NZD|High: $5,845 NZD|Avg: $2,531 NZD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
October 30, 2026
Retailer 8$864 NZD
Retailer 5$1,122 NZD
Retailer 4$1,182 NZD
Retailer 7$1,323 NZD
Retailer 1$2,193 NZD
Retailer 6$2,235 NZD
Retailer 3$3,502 NZD
Reve Diamonds$4,374 NZD
Retailer 2$5,784 NZD

41 data points across 9 retailers

12 retailers$1,122 NZD to $2,235 NZD

B+
Cheapest Retailer
-
$1,122 NZD
$630 USD
B+
Retailer 2
-
$1,182 NZD
$664 USD
View
B
Retailer 3
-
$1,286 NZD
$722 USD
View
B
Retailer 4
-
$1,323 NZD
$743 USD
View
Final sale: no returns
B
Retailer 5
-
$1,371 NZD
$770 USD
View
Retailer 6
-
$1,371 NZD
$770 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
$2,193 NZD
£970 GBP
View
B
Retailer 8
-
$2,235 NZD
$1,255 USD
View
Retailer 9
-
$3,502 NZD
$1,967 USD
View
Price under review
Retailer 10
-
$3,855 NZD
$2,165 USD
View
Price under review
Most Expensive
Reve Diamonds
09445CE77 · Oct 30
$4,374 NZD
$2,456 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,122 NZDSave up to $1,113 NZD

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
$1,122 NZD