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Oval|Lab Grown|IGI

8.55ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG770622485

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770622485

Diamond specifications and retailer prices

From $2,580 NZD
$1,454 USD
As of October 29, 2026
Save $15,607 NZD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $18,187 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 8.55ct lab-grown oval diamond

This 8.55ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770622485 or 770622485. Listed at 23 retailers as of October 29, 2026, with prices from $2,580 to $18,187, a $15,607 spread on the same certified stone. Brilliant Earth lists it at $18,187. 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

8.55
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770622485
Dimensions17.98 × 11.23 × 6.59 mm
L/W Ratio1.60
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.98 mm11.23 mm8.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770622485
Side View
Table 60.0%Crown 35.9°Girdle: MED-THKPavilion 39°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $18,187 NZD|Low: $2,580 NZD|High: $18,187 NZD|Avg: $5,601 NZD
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
October 30, 2026
Retailer 3$2,580 NZD
Retailer 5$2,889 NZD
Retailer 4$2,952 NZD
Retailer 11$3,078 NZD
Retailer 2$3,572 NZD
Retailer 14$3,898 NZD
Retailer 7$4,225 NZD
Retailer 13$4,718 NZD
Retailer 8$5,020 NZD
Retailer 10$5,542 NZD
Retailer 6$7,220 NZD
Retailer 12$8,066 NZD
Retailer 9$8,561 NZD
Brilliant Earth$18,187 NZD

42 data points across 14 retailers

23 retailers$2,580 NZD to $18,187 NZD

Retailer 1
-
$2,580 NZD
$1,454 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$2,580 NZD
$1,454 USD
View
A
Retailer 3
-
$2,807 NZD
$1,582 USD
View
A
Retailer 4
-
$2,889 NZD
$1,628 USD
View
Final sale: no returns
Retailer 5
-
$2,952 NZD
$1,664 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$2,993 NZD
$1,687 USD
View
Retailer 7
-
$2,993 NZD
$1,687 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$3,078 NZD
$1,735 USD
View
A
Retailer 9
-
$3,572 NZD
£1,585 GBP
View
A
Retailer 10
-
$3,898 NZD
$2,197 USD
View
A
Retailer 11
-
$4,225 NZD
£1,875 GBP
View
A
Retailer 12
-
$4,718 NZD
$2,659 USD
View
A
Retailer 13
-
$5,020 NZD
ZAR 45,705 ZAR
View
A
Retailer 14
-
$5,433 NZD
$3,062 USD
View
Retailer 15
-
$5,542 NZD
A$4,805 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$5,610 NZD
$3,162 USD
View
B+
Retailer 17
-
$7,220 NZD
£3,204 GBP
View
B+
Retailer 18
-
$8,066 NZD
$4,546 USD
View
B+
Retailer 19
-
$8,561 NZD
£3,799 GBP
View
B+
Retailer 20
-
$8,791 NZD
$4,954 USD
View
B+
Retailer 21
-
$9,086 NZD
$5,121 USD
View
B
Retailer 22
-
$10,536 NZD
$5,938 USD
View
Most Expensive
B
Brilliant Earth
21394558A · Oct 29
$18,187 NZD
$10,250 USD
View
22 more retailers have this diamond
Prices start from $2,580 NZDSave up to $15,607 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.

A
8.55ct Oval
$2,580 NZD