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Oval|Lab Grown|IGI

6.65ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG598388125

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598388125

Diamond specifications and retailer prices

From HK$7,148 HKD
$911 USD
As of November 1, 2026
Save HK$37,653 HKD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$44,801 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.65ct lab-grown oval diamond

This 6.65ct lab-grown oval 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 LG598388125 or 598388125. Listed at 20 retailers as of November 1, 2026, with prices from HK$7,148 to HK$44,801, a HK$37,653 spread on the same certified stone. Brilliant Earth lists it at HK$44,801. 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

6.65
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598388125
Dimensions14.94 × 10.69 × 6.66 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
14.94 mm10.69 mm6.65 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598388125
Side View
Table 60.0%Crown 35.1°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: Nov 1
Current: HK$44,801 HKD|Low: HK$6,936 HKD|High: HK$46,606 HKD|Avg: HK$17,640 HKD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 6HK$7,148 HKD
Retailer 20HK$7,775 HKD
Retailer 10HK$8,011 HKD
Retailer 4HK$8,293 HKD
Retailer 22HK$8,293 HKD
Retailer 3HK$8,928 HKD
Retailer 17HK$9,651 HKD
Retailer 7HK$12,154 HKD
Retailer 2HK$12,665 HKD
Retailer 11HK$13,299 HKD
Retailer 16HK$13,569 HKD
Retailer 18HK$15,366 HKD
Retailer 19HK$16,048 HKD
Retailer 21HK$18,454 HKD
Retailer 8HK$21,114 HKD
Retailer 9HK$22,958 HKD
Retailer 5HK$23,319 HKD
Retailer 12HK$25,910 HKD
Retailer 14HK$25,947 HKD
Retailer 13HK$28,130 HKD
Retailer 15HK$28,825 HKD
Brilliant EarthHK$44,801 HKD

36 data points across 22 retailers

20 retailersHK$7,148 HKD to HK$44,801 HKD

A
Cheapest Retailer
-
HK$7,148 HKD
$911 USD
A
Retailer 2
-
HK$7,775 HKD
$991 USD
View
A
Retailer 3
-
HK$8,293 HKD
$1,057 USD
View
Retailer 4
-
HK$8,293 HKD
$1,057 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
HK$9,651 HKD
$1,230 USD
View
A
Retailer 6
-
HK$12,154 HKD
$1,549 USD
View
A
Retailer 7
-
HK$12,665 HKD
£1,271 GBP
View
B+
Retailer 8
-
HK$13,299 HKD
$1,695 USD
View
A
Retailer 9
-
HK$13,569 HKD
€1,647 EUR
View
B+
Retailer 10
-
HK$15,366 HKD
A$3,013 AUD
View
A
Retailer 11
-
HK$16,048 HKD
ZAR 33,043 ZAR
View
B+
Retailer 12
-
HK$18,454 HKD
$2,352 USD
View
B+
Retailer 13
-
HK$21,114 HKD
$2,691 USD
View
B+
Retailer 14
-
HK$22,958 HKD
£2,304 GBP
View
B+
Retailer 15
-
HK$23,319 HKD
$2,972 USD
View
Retailer 16
-
HK$25,910 HKD
$3,302 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
HK$25,947 HKD
$3,307 USD
View
B+
Retailer 18
-
HK$28,130 HKD
£2,823 GBP
View
B
Retailer 19
-
HK$28,825 HKD
$3,674 USD
View
Most Expensive
B
Brilliant Earth
8138297A · Nov 2
HK$44,801 HKD
$5,710 USD
View
19 more retailers have this diamond
Prices start from HK$7,148 HKDSave up to HK$37,653 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
6.65ct Oval
HK$7,148 HKD