Emerald|Lab Grown|IGI

6.64ct I VS1 Emerald Lab Grown Diamond

ID • I/VS1 • IGI LG677541781

Shape and cutting style on the report: Emerald cut

Certificate IGI LG677541781

Diamond specifications and retailer prices

From $928 USD
As of October 29, 2026
Save $2,942 USD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,445 USD at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 6.64ct lab-grown emerald diamond

This 6.64ct lab-grown emerald sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677541781 or 677541781. Listed at 17 retailers as of October 29, 2026, with a 317% 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

6.64
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677541781
Dimensions13.63 × 8.46 × 5.75 mm
L/W Ratio1.61
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.63 mm8.46 mm6.64 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677541781
Side View
Table 65.0%Crown 33.4°Girdle: MediumPavilion 41°Culet: LargeDepth 68.0%

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: $4,445 USD|Low: $612 USD|High: $4,621 USD|Avg: $2,146 USD|-3.8%
Rare Carat
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
Retailer 15
October 29, 2026
Retailer 7$612 USD
Retailer 3$797 USD
Retailer 14$928 USD
Retailer 4$963 USD
Retailer 11$1,160 USD
Retailer 12$1,378 USD
Retailer 2$1,500 USD
Retailer 8$1,862 USD
Retailer 9$2,213 USD
Retailer 6$2,469 USD
Retailer 13$2,494 USD
Retailer 5$3,234 USD
Retailer 10$3,627 USD
Retailer 15$3,870 USD
Rare Carat$4,445 USD

27 data points across 15 retailers

17 retailers$928 USD to $3,870 USD

Retailer 1
-
$830 USD
Price last confirmed 38 days ago
Retailer 2
-
$903 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$928 USD
View
Final sale: no returns
Retailer 4
-
$949 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$1,160 USD
View
B+
Retailer 6
-
$1,378 USD
View
A
Retailer 7
-
$1,500 USD
€1,429 EUR
View
A
Retailer 8
-
$1,862 USD
ZAR 30,087 ZAR
View
B+
Retailer 9
-
$2,016 USD
View
Retailer 10
-
$2,213 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$2,494 USD
View
Retailer 12
-
$2,706 USD
View
Price last confirmed 30 days ago
B+
Retailer 13
-
$3,234 USD
SGD 4,370 SGD
View
B
Retailer 14
-
$3,334 USD
View
B+
Retailer 15
-
$3,627 USD
£2,856 GBP
View
B
Retailer 16
-
$3,870 USD
View
Most Expensive
Rare Carat
16R677541781 · Sep 6
$4,445 USD
View
Price last confirmed 23 days ago
16 more retailers have this diamond
Prices start from $928 USDSave up to $2,942 USD

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
6.64ct Emerald
$928 USD