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Emerald|Lab Grown|IGI

6.59ct G VS1 Emerald Lab Grown Diamond

EX • G/VS1 • IGI LG666438304

Shape and cutting style on the report: Emerald cut

Certificate IGI LG666438304

Diamond specifications and retailer prices

From HK$9,172 HKD
$1,169 USD
As of October 31, 2026
Save HK$74,777 HKD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$83,949 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 6.59ct lab-grown emerald diamond

This 6.59ct lab-grown emerald 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 LG666438304 or 666438304. Listed at 21 retailers as of October 26, 2026, with prices from HK$9,172 to HK$83,949, a HK$74,777 spread on the same certified stone. Brilliant Earth lists it at HK$83,949. 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

6.59
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666438304
Dimensions12.23 × 8.68 × 5.89 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.23 mm8.68 mm6.59 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666438304
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 38.7°Culet: LNGDepth 67.9%

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 31
Current: HK$83,949 HKD|Low: HK$9,172 HKD|High: HK$86,538 HKD|Avg: HK$29,917 HKD|-3.0%
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
Retailer 15
November 1, 2026
Retailer 14HK$9,172 HKD
Retailer 9HK$10,866 HKD
Retailer 5HK$13,251 HKD
Retailer 7HK$13,385 HKD
Retailer 2HK$15,211 HKD
Retailer 8HK$19,435 HKD
Retailer 13HK$19,857 HKD
Retailer 10HK$20,295 HKD
Retailer 15HK$28,790 HKD
Retailer 6HK$28,936 HKD
Retailer 4HK$29,461 HKD
Retailer 11HK$33,878 HKD
Retailer 12HK$34,835 HKD
Retailer 3HK$72,730 HKD
Brilliant EarthHK$83,949 HKD

43 data points across 15 retailers

21 retailersHK$9,172 HKD to HK$83,949 HKD

Retailer 1
-
HK$7,861 HKD
$1,002 USD
Price last confirmed 30 days ago
Retailer 2
-
HK$8,913 HKD
$1,136 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
HK$9,172 HKD
$1,169 USD
View
Final sale: no returns
Retailer 4
-
HK$9,501 HKD
$1,211 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
HK$10,866 HKD
$1,385 USD
View
A
Retailer 6
-
HK$13,251 HKD
$1,689 USD
View
B+
Retailer 7
-
HK$13,385 HKD
$1,706 USD
View
A
Retailer 8
-
HK$15,211 HKD
£1,527 GBP
View
B+
Retailer 9
-
HK$16,374 HKD
$2,087 USD
View
B+
Retailer 10
-
HK$19,435 HKD
A$3,811 AUD
View
Retailer 11
-
HK$19,661 HKD
$2,506 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
HK$19,857 HKD
$2,531 USD
View
B+
Retailer 13
-
HK$20,295 HKD
ZAR 41,789 ZAR
View
B
Retailer 14
-
HK$28,790 HKD
$3,670 USD
View
B
Retailer 15
-
HK$28,936 HKD
£2,904 GBP
View
B
Retailer 16
-
HK$29,461 HKD
$3,755 USD
View
B
Retailer 17
-
HK$33,878 HKD
£3,400 GBP
View
Retailer 18
-
HK$34,835 HKD
$4,440 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
HK$37,262 HKD
$4,749 USD
View
B
Retailer 20
-
HK$72,730 HKD
$9,270 USD
View
Most Expensive
B
Brilliant Earth
18600431A · Oct 26
HK$83,949 HKD
$10,700 USD
View
20 more retailers have this diamond
Prices start from HK$9,172 HKDSave up to HK$74,777 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
6.59ct Emerald
HK$9,172 HKD