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Round|Lab Grown|IGI

8.66ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG719515588

Shape and cutting style on the report: Round brilliant

Certificate IGI LG719515588

Diamond specifications and retailer prices

From €1,607 EUR
$1,802 USD
As of November 1, 2026
Save €9,440 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €14,836 EUR at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 8.66ct lab-grown round diamond

This 8.66ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG719515588 or 719515588. Listed at 15 retailers as of November 1, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

8.66
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719515588
Dimensions13.22 × 13.29 × 8.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.22 mm13.29 mm8.66 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719515588
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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 1
Current: €14,836 EUR|Low: €1,542 EUR|High: €15,228 EUR|Avg: €4,580 EUR|-2.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6€1,607 EUR
Retailer 10€1,798 EUR
Retailer 7€1,863 EUR
Retailer 5€2,015 EUR
Retailer 9€2,294 EUR
Retailer 2€2,795 EUR
Retailer 4€3,449 EUR
Retailer 8€4,334 EUR
Retailer 3€10,423 EUR
Brilliant Earth€14,836 EUR

45 data points across 10 retailers

15 retailers€1,607 EUR to €11,047 EUR

A
Cheapest Retailer
-
€1,607 EUR
$1,802 USD
A
Retailer 2
-
€1,747 EUR
$1,960 USD
View
A
Retailer 3
-
€1,798 EUR
$2,017 USD
View
Final sale: no returns
A
Retailer 4
-
€1,863 EUR
$2,090 USD
View
Retailer 5
-
€1,863 EUR
$2,090 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
€2,015 EUR
$2,260 USD
View
B+
Retailer 7
-
€2,294 EUR
$2,573 USD
View
B+
Retailer 8
-
€2,795 EUR
£2,468 GBP
View
B+
Retailer 9
-
€2,827 EUR
$3,171 USD
View
B+
Retailer 10
-
€3,449 EUR
ZAR 62,496 ZAR
View
B+
Retailer 11
-
€3,539 EUR
$3,969 USD
View
B
Retailer 12
-
€4,334 EUR
$4,862 USD
View
B
Retailer 13
-
€5,215 EUR
$5,849 USD
View
B
Retailer 14
-
€11,047 EUR
$12,390 USD
View
Most Expensive
Brilliant Earth
16810098A · Nov 1
€14,836 EUR
$16,640 USD
View
Price under review
14 more retailers have this diamond
Prices start from €1,607 EURSave up to €9,440 EUR

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
8.66ct Round
€1,607 EUR