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Oval|Lab Grown|IGI

8.55ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG781631283

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG781631283

Diamond specifications and retailer prices

From HK$11,409 HKD
$1,454 USD
As of October 29, 2026
Save HK$69,017 HKD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$80,426 HKD 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 LG781631283 or 781631283. Listed at 23 retailers as of October 29, 2026, with prices from HK$11,409 to HK$80,426, a HK$69,017 spread on the same certified stone. Brilliant Earth lists it at HK$80,426. 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 angle39.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631283
Dimensions17.92 × 11.23 × 6.69 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
17.92 mm11.23 mm8.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631283
Side View
Table 60.0%Crown 39.4°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.6%

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: Oct 29
Current: HK$80,426 HKD|Low: HK$11,409 HKD|High: HK$80,426 HKD|Avg: HK$24,753 HKD
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 3HK$11,409 HKD
Retailer 5HK$12,774 HKD
Retailer 4HK$13,056 HKD
Retailer 11HK$13,614 HKD
Retailer 2HK$15,797 HKD
Retailer 14HK$17,239 HKD
Retailer 7HK$18,686 HKD
Retailer 13HK$20,864 HKD
Retailer 8HK$22,199 HKD
Retailer 10HK$24,506 HKD
Retailer 6HK$31,928 HKD
Retailer 12HK$35,670 HKD
Retailer 9HK$37,857 HKD
Brilliant EarthHK$80,426 HKD

42 data points across 14 retailers

23 retailersHK$11,409 HKD to HK$80,426 HKD

Retailer 1
-
HK$11,409 HKD
$1,454 USD
Price last confirmed 38 days ago
A
Retailer 2
-
HK$11,409 HKD
$1,454 USD
View
A
Retailer 3
-
HK$12,413 HKD
$1,582 USD
View
A
Retailer 4
-
HK$12,774 HKD
$1,628 USD
View
Final sale: no returns
Retailer 5
-
HK$13,056 HKD
$1,664 USD
View
Price last confirmed 38 days ago
Retailer 6
-
HK$13,237 HKD
$1,687 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
HK$13,237 HKD
$1,687 USD
View
A
Retailer 8
-
HK$13,614 HKD
$1,735 USD
View
A
Retailer 9
-
HK$15,797 HKD
£1,585 GBP
View
A
Retailer 10
-
HK$17,239 HKD
$2,197 USD
View
A
Retailer 11
-
HK$18,686 HKD
£1,875 GBP
View
A
Retailer 12
-
HK$20,864 HKD
$2,659 USD
View
A
Retailer 13
-
HK$22,199 HKD
ZAR 45,705 ZAR
View
A
Retailer 14
-
HK$24,026 HKD
$3,062 USD
View
Retailer 15
-
HK$24,506 HKD
A$4,805 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
HK$24,810 HKD
$3,162 USD
View
B+
Retailer 17
-
HK$31,928 HKD
£3,204 GBP
View
B+
Retailer 18
-
HK$35,670 HKD
$4,546 USD
View
B+
Retailer 19
-
HK$37,857 HKD
£3,799 GBP
View
B+
Retailer 20
-
HK$38,875 HKD
$4,954 USD
View
B+
Retailer 21
-
HK$40,181 HKD
$5,121 USD
View
B
Retailer 22
-
HK$46,593 HKD
$5,938 USD
View
Most Expensive
B
Brilliant Earth
21394412A · Oct 29
HK$80,426 HKD
$10,250 USD
View
22 more retailers have this diamond
Prices start from HK$11,409 HKDSave up to HK$69,017 HKD

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
HK$11,409 HKD