CaratHunter
Plans
Marquise|Lab Grown|IGI

1.60ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG839697358

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839697358

Diamond specifications and retailer prices

From HK$1,797 HKD
$229 USD
As of October 30, 2026
Save HK$12,404 HKD (87%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$14,201 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.6ct lab-grown marquise diamond

This 1.6ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839697358 or 839697358. Listed at 3 retailers as of October 28, 2026, with prices from HK$1,797 to HK$14,201, a HK$12,404 spread on the same certified stone. Brilliant Earth lists it at HK$14,201. 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

1.60
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697358
Dimensions11.71 × 6.06 × 3.91 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm6.06 mm1.60 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697358
Side View
Table 62.0%Crown 36.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.5%

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$14,201 HKD|Low: HK$1,797 HKD|High: HK$14,201 HKD|Avg: HK$7,413 HKD
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3HK$1,797 HKD
Retailer 2HK$3,823 HKD
Brilliant EarthHK$14,201 HKD

26 data points across 3 retailers

3 retailersHK$1,797 HKD to HK$14,201 HKD

A
Cheapest Retailer
-
HK$1,797 HKD
$229 USD
Final sale: no returns
A
Retailer 2
-
HK$3,823 HKD
£384 GBP
View
Most Expensive
B
Brilliant Earth
21613342A · Oct 28
HK$14,201 HKD
$1,810 USD
View
2 more retailers have this diamond
Prices start from HK$1,797 HKDSave up to HK$12,404 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
1.60ct Marquise
HK$1,797 HKD