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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817610778

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817610778

Diamond specifications and retailer prices

From HK$5,006 HKD
$638 USD
As of November 1, 2026
Save HK$23,631 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$28,637 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817610778 or 817610778. Listed at 19 retailers as of October 31, 2026, with prices from HK$5,006 to HK$28,637, a HK$23,631 spread on the same certified stone. Brilliant Earth lists it at HK$28,637. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817610778
Dimensions11.81 × 6.07 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm6.07 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817610778
Side View
Table 58.0%Crown 38.8°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 61.6%

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$28,637 HKD|Low: HK$5,006 HKD|High: HK$29,578 HKD|Avg: HK$12,772 HKD|-3.2%
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
November 2, 2026
Retailer 13HK$5,006 HKD
Retailer 4HK$5,021 HKD
Retailer 15HK$6,590 HKD
Retailer 14HK$7,469 HKD
Retailer 16HK$7,861 HKD
Retailer 9HK$8,156 HKD
Retailer 12HK$8,696 HKD
Retailer 18HK$9,611 HKD
Retailer 8HK$9,651 HKD
Retailer 6HK$13,025 HKD
Retailer 5HK$13,879 HKD
Retailer 11HK$16,381 HKD
Retailer 7HK$17,009 HKD
Retailer 2HK$17,522 HKD
Retailer 19HK$18,040 HKD
Retailer 17HK$18,390 HKD
Retailer 10HK$24,512 HKD
Retailer 3HK$28,329 HKD
Brilliant EarthHK$28,637 HKD

19 data points across 19 retailers

19 retailersHK$5,006 HKD to HK$28,637 HKD

A
Cheapest Retailer
-
HK$5,006 HKD
$638 USD
A
Retailer 2
-
HK$5,021 HKD
$640 USD
View
Final sale: no returns
A
Retailer 3
-
HK$6,590 HKD
$840 USD
View
A
Retailer 4
-
HK$7,469 HKD
$952 USD
View
A
Retailer 5
-
HK$7,861 HKD
$1,002 USD
View
A
Retailer 6
-
HK$8,156 HKD
€990 EUR
View
A
Retailer 7
-
HK$8,696 HKD
£873 GBP
View
A
Retailer 8
-
HK$9,611 HKD
$1,225 USD
View
A
Retailer 9
-
HK$9,651 HKD
ZAR 19,873 ZAR
View
A
Retailer 10
-
HK$13,025 HKD
A$2,554 AUD
View
B+
Retailer 11
-
HK$13,879 HKD
$1,769 USD
View
B+
Retailer 12
-
HK$16,381 HKD
£1,644 GBP
View
B+
Retailer 13
-
HK$17,009 HKD
$2,168 USD
View
B+
Retailer 14
-
HK$17,522 HKD
SGD 3,018 SGD
View
B+
Retailer 15
-
HK$18,040 HKD
$2,299 USD
View
B+
Retailer 16
-
HK$18,390 HKD
$2,344 USD
View
B+
Retailer 17
-
HK$24,512 HKD
£2,460 GBP
View
B
Retailer 18
-
HK$28,329 HKD
A$5,555 AUD
View
Most Expensive
B
Brilliant Earth
20772153A · Oct 31
HK$28,637 HKD
$3,650 USD
View
18 more retailers have this diamond
Prices start from HK$5,006 HKDSave up to HK$23,631 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
1.61ct Marquise
HK$5,006 HKD