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Marquise|Lab Grown|IGI

6.83ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG598343686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG598343686

Diamond specifications and retailer prices

From HK$8,701 HKD
$1,109 USD
As of October 30, 2026
Save HK$36,294 HKD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$77,280 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.83ct lab-grown marquise diamond

This 6.83ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598343686 or 598343686. Listed at 9 retailers as of October 28, 2026, with a 417% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.83
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598343686
Dimensions20.19 × 9.92 × 5.99 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
20.19 mm9.92 mm6.83 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598343686
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

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 30
Current: HK$77,280 HKD|Low: HK$8,560 HKD|High: HK$87,244 HKD|Avg: HK$36,674 HKD|-7.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8HK$8,701 HKD
Retailer 6HK$9,462 HKD
Retailer 10HK$16,052 HKD
Retailer 4HK$16,084 HKD
Retailer 7HK$20,469 HKD
Retailer 9HK$20,877 HKD
Retailer 11HK$24,302 HKD
Retailer 2HK$35,980 HKD
Retailer 5HK$44,995 HKD
Do Amore DiamondsHK$77,280 HKD
Retailer 3HK$87,244 HKD

18 data points across 11 retailers

9 retailersHK$8,701 HKD to HK$44,995 HKD

A
Cheapest Retailer
-
HK$8,701 HKD
$1,109 USD
A
Retailer 2
-
HK$9,462 HKD
$1,206 USD
View
B+
Retailer 3
-
HK$16,052 HKD
$2,046 USD
View
B+
Retailer 4
-
HK$16,084 HKD
$2,050 USD
View
B+
Retailer 5
-
HK$20,469 HKD
$2,609 USD
View
B+
Retailer 6
-
HK$20,877 HKD
$2,661 USD
View
B
Retailer 7
-
HK$35,980 HKD
£3,611 GBP
View
B
Retailer 8
-
HK$44,995 HKD
$5,735 USD
View
Most Expensive
Do Amore Diamonds
27-7B18349BC · Oct 31
HK$77,280 HKD
$9,850 USD
View
Price under review
8 more retailers have this diamond
Prices start from HK$8,701 HKDSave up to HK$36,294 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
6.83ct Marquise
HK$8,701 HKD