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8.55ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG818606147

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818606147

Diamond specifications and retailer prices

From $2,479 NZD
$1,395 USD
As of November 1, 2026
Save $12,432 NZD (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $14,912 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 8.55ct lab-grown round diamond

This 8.55ct 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 LG818606147 or 818606147. Listed at 4 retailers as of November 1, 2026, with prices from $2,479 to $14,912, a $12,432 spread on the same certified stone. Brilliant Earth lists it at $14,912. 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818606147
Dimensions13.12 × 13.17 × 8.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.12 mm13.17 mm8.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818606147
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.9%

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: $14,912 NZD|Low: $2,479 NZD|High: $14,912 NZD|Avg: $7,674 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$2,479 NZD
Retailer 2$3,660 NZD
Retailer 3$10,237 NZD
Brilliant Earth$14,912 NZD

34 data points across 4 retailers

4 retailers$2,479 NZD to $14,912 NZD

A
Cheapest Retailer
-
$2,479 NZD
$1,395 USD
Final sale: no returns
A
Retailer 2
-
$3,660 NZD
£1,621 GBP
View
B
Retailer 3
-
$10,237 NZD
$5,760 USD
View
Most Expensive
B
Brilliant Earth
21228200A · Nov 1
$14,912 NZD
$8,390 USD
View
3 more retailers have this diamond
Prices start from $2,479 NZDSave up to $12,432 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 Round
$2,479 NZD