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Emerald|Lab Grown|IGI

6.63ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG841634921

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841634921

Diamond specifications and retailer prices

From $1,733 AUD
$1,217 USD
As of October 29, 2026
Save $3,331 AUD (66%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,470 AUD at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 6.63ct lab-grown emerald diamond

This 6.63ct lab-grown emerald 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 LG841634921 or 841634921. Listed at 5 retailers as of October 25, 2026, with a 192% 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

6.63
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841634921
Dimensions12.71 × 8.83 × 5.98 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.71 mm8.83 mm6.63 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841634921
Side View
Table 67.0%Crown 35.9°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 67.7%

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: $8,470 AUD|Low: $1,733 AUD|High: $8,485 AUD|Avg: $4,850 AUD|-0.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2$1,733 AUD
Retailer 4$2,339 AUD
Retailer 6$2,661 AUD
Retailer 3$5,038 AUD
Retailer 5$5,064 AUD
Rare Carat$8,470 AUD

10 data points across 6 retailers

5 retailers$1,733 AUD to $5,064 AUD

A
Cheapest Retailer
-
$1,733 AUD
$1,217 USD
Final sale: no returns
B+
Retailer 2
-
$2,339 AUD
$1,643 USD
View
B+
Retailer 3
-
$5,038 AUD
$3,539 USD
View
B+
Retailer 4
-
$5,064 AUD
$3,557 USD
View
Most Expensive
Rare Carat
841634921 · Oct 7
$8,470 AUD
$5,950 USD
View
Price last confirmed 23 days ago
4 more retailers have this diamond
Prices start from $1,733 AUDSave up to $3,331 AUD

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
6.63ct Emerald
$1,733 AUD