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Round|Lab Grown|IGI

6.73ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG591378421

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591378421

Diamond specifications and retailer prices

From HK$7,469 HKD
$952 USD
As of October 29, 2026
Save HK$48,785 HKD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$56,254 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.73ct lab-grown round diamond

This 6.73ct 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 LG591378421 or 591378421. Listed at 21 retailers as of October 29, 2026, with prices from HK$7,469 to HK$56,254, a HK$48,785 spread on the same certified stone. Brilliant Earth lists it at HK$56,254. 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

6.73
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591378421
Dimensions12.08 × 12.17 × 7.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
12.08 mm12.17 mm6.73 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591378421
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.2%

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: HK$56,254 HKD|Low: HK$7,469 HKD|High: HK$75,083 HKD|Avg: HK$20,625 HKD|-9.8%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 7HK$7,469 HKD
Retailer 20HK$8,128 HKD
Retailer 10HK$8,356 HKD
Retailer 3HK$8,669 HKD
Retailer 5HK$8,669 HKD
Retailer 17HK$10,042 HKD
Retailer 4HK$11,403 HKD
Retailer 8HK$12,522 HKD
Retailer 2HK$13,315 HKD
Retailer 11HK$13,871 HKD
Retailer 13HK$14,293 HKD
Retailer 16HK$16,059 HKD
Retailer 18HK$16,771 HKD
Retailer 21HK$18,681 HKD
Retailer 9HK$22,996 HKD
Retailer 6HK$24,369 HKD
Retailer 14HK$26,879 HKD
Retailer 12HK$26,889 HKD
Retailer 19HK$29,434 HKD
Retailer 15HK$30,167 HKD
Retailer 22HK$40,955 HKD
Brilliant EarthHK$56,254 HKD

36 data points across 22 retailers

21 retailersHK$7,469 HKD to HK$56,254 HKD

A
Cheapest Retailer
-
HK$7,469 HKD
$952 USD
A
Retailer 2
-
HK$8,128 HKD
$1,036 USD
View
A
Retailer 3
-
HK$8,669 HKD
$1,105 USD
View
Retailer 4
-
HK$8,669 HKD
$1,105 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$10,042 HKD
$1,280 USD
View
Retailer 6
-
HK$11,403 HKD
£1,144 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
HK$12,522 HKD
$1,596 USD
View
A
Retailer 8
-
HK$13,315 HKD
£1,336 GBP
View
B+
Retailer 9
-
HK$13,871 HKD
$1,768 USD
View
A
Retailer 10
-
HK$14,293 HKD
€1,735 EUR
View
B+
Retailer 11
-
HK$16,059 HKD
A$3,149 AUD
View
B+
Retailer 12
-
HK$16,771 HKD
ZAR 34,533 ZAR
View
B+
Retailer 13
-
HK$18,681 HKD
$2,381 USD
View
B+
Retailer 14
-
HK$22,996 HKD
$2,931 USD
View
B
Retailer 15
-
HK$24,369 HKD
$3,106 USD
View
B
Retailer 16
-
HK$26,879 HKD
$3,426 USD
View
Retailer 17
-
HK$26,889 HKD
$3,427 USD
View
Price last confirmed 21 days ago
B
Retailer 18
-
HK$29,434 HKD
£2,954 GBP
View
B
Retailer 19
-
HK$30,167 HKD
$3,845 USD
View
Retailer 20
-
HK$40,955 HKD
$5,220 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
7752670A · Oct 31
HK$56,254 HKD
$7,170 USD
View
20 more retailers have this diamond
Prices start from HK$7,469 HKDSave up to HK$48,785 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
6.73ct Round
HK$7,469 HKD