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Oval|Lab Grown|IGI

8.23ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG617480231

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG617480231

Diamond specifications and retailer prices

From $910 USD
As of November 1, 2026
Save $4,680 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,590 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.23ct lab-grown oval diamond

This 8.23ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617480231 or 617480231. Listed at 16 retailers as of October 31, 2026, with prices from $910 to $5,590, a $4,680 spread on the same certified stone. Brilliant Earth lists it at $5,590. 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

8.23
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617480231
Dimensions16.81 × 11.30 × 7.03 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Top View
16.81 mm11.30 mm8.23 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617480231
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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: Nov 1
Current: $5,590 USD|Low: $874 USD|High: $5,590 USD|Avg: $2,349 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 6$910 USD
Retailer 12$990 USD
Retailer 3$1,056 USD
Retailer 8$1,209 USD
Retailer 16$1,262 USD
Retailer 4$1,610 USD
Retailer 9$1,625 USD
Retailer 7$1,693 USD
Retailer 11$1,695 USD
Retailer 10$1,736 USD
Retailer 13$2,348 USD
Retailer 5$2,968 USD
Retailer 2$3,580 USD
Retailer 15$4,542 USD
Retailer 14$5,105 USD
Brilliant Earth$5,590 USD

38 data points across 16 retailers

16 retailers$910 USD to $5,590 USD

A
Cheapest Retailer
-
$910 USD
A
Retailer 2
-
$990 USD
View
A
Retailer 3
-
$1,056 USD
View
Retailer 4
-
$1,209 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$1,262 USD
£994 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,610 USD
View
A
Retailer 7
-
$1,625 USD
£1,280 GBP
View
B+
Retailer 8
-
$1,693 USD
View
B+
Retailer 9
-
$1,695 USD
View
A
Retailer 10
-
$1,736 USD
€1,653 EUR
View
B+
Retailer 11
-
$2,348 USD
View
B
Retailer 12
-
$2,968 USD
View
B
Retailer 13
-
$3,580 USD
£2,819 GBP
View
B
Retailer 14
-
$4,542 USD
View
B
Retailer 15
-
$5,105 USD
View
Most Expensive
B
Brilliant Earth
8971387A · Oct 31
$5,590 USD
View
15 more retailers have this diamond
Prices start from $910 USDSave up to $4,680 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
8.23ct Oval
$910 USD