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Marquise|Lab Grown|IGI

1.71ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG806630081

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806630081

Diamond specifications and retailer prices

From HK$4,276 HKD
$545 USD
As of October 31, 2026
Save HK$31,108 HKD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$35,384 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.71ct lab-grown marquise diamond

This 1.71ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG806630081 or 806630081. Listed at 17 retailers as of October 30, 2026, with prices from HK$4,276 to HK$35,384, a HK$31,108 spread on the same certified stone. Brilliant Earth lists it at HK$35,384. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630081
Dimensions12.75 × 6.21 × 3.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.75 mm6.21 mm1.71 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630081
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.9%

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$10,466 HKD|Low: HK$4,276 HKD|High: HK$22,214 HKD|Avg: HK$10,770 HKD|-0.4%
Retailer 1
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
October 31, 2026
Retailer 10HK$4,276 HKD
Retailer 5HK$5,845 HKD
Retailer 15HK$7,249 HKD
Retailer 16HK$7,422 HKD
Retailer 12HK$7,816 HKD
Retailer 7HK$8,236 HKD
Retailer 4HK$8,296 HKD
Retailer 1HK$10,466 HKD
Retailer 2HK$11,102 HKD
Retailer 14HK$12,812 HKD
Retailer 13HK$15,008 HKD
Retailer 9HK$15,462 HKD
Retailer 3HK$15,605 HKD
Retailer 6HK$16,711 HKD
Retailer 8HK$20,327 HKD
Retailer 11HK$22,214 HKD

19 data points across 16 retailers

17 retailersHK$4,276 HKD to HK$35,384 HKD

A
Cheapest Retailer
-
HK$4,276 HKD
$545 USD
Final sale: no returns
A
Retailer 2
-
HK$5,845 HKD
$745 USD
View
A
Retailer 3
-
HK$7,249 HKD
$924 USD
View
A
Retailer 4
-
HK$7,422 HKD
$946 USD
View
A
Retailer 5
-
HK$7,816 HKD
£784 GBP
View
A
Retailer 6
-
HK$8,236 HKD
ZAR 16,959 ZAR
View
A
Retailer 7
-
HK$8,296 HKD
€1,007 EUR
View
A
Retailer 8
-
HK$10,466 HKD
$1,334 USD
View
A
Retailer 9
-
HK$11,102 HKD
A$2,177 AUD
View
A
Retailer 10
-
HK$12,812 HKD
$1,633 USD
View
B+
Retailer 11
-
HK$15,008 HKD
SGD 2,585 SGD
View
B+
Retailer 12
-
HK$15,462 HKD
$1,971 USD
View
B+
Retailer 13
-
HK$15,605 HKD
$1,989 USD
View
B+
Retailer 14
-
HK$16,711 HKD
$2,130 USD
View
Retailer 15
-
HK$20,327 HKD
£2,040 GBP
View
Price last confirmed 10 days ago
B+
Retailer 16
-
HK$22,214 HKD
A$4,356 AUD
View
Most Expensive
B
Brilliant Earth
20219477A · Oct 30
HK$35,384 HKD
$4,510 USD
View
16 more retailers have this diamond
Prices start from HK$4,276 HKDSave up to HK$31,108 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
1.71ct Marquise
HK$4,276 HKD