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Marquise|Lab Grown|IGI

1.70ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG784645899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645899

Diamond specifications and retailer prices

From HK$5,618 HKD
$716 USD
As of October 27, 2026
Save HK$44,281 HKD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$49,899 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645899 or 784645899. Listed at 15 retailers as of October 27, 2026, with prices from HK$5,618 to HK$49,899, a HK$44,281 spread on the same certified stone. Do Amore Diamonds lists it at HK$49,899. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645899
Dimensions11.74 × 6.15 × 3.95 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.74 mm6.15 mm1.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645899
Side View
Table 61.0%Crown 37.6°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 64.2%

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 27
Current: HK$49,899 HKD|Low: HK$5,618 HKD|High: HK$65,669 HKD|Avg: HK$17,923 HKD|-24.0%
Do Amore Diamonds
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
October 29, 2026
Retailer 10HK$5,618 HKD
Retailer 15HK$6,112 HKD
Retailer 12HK$7,744 HKD
Retailer 9HK$7,960 HKD
Retailer 4HK$8,120 HKD
Retailer 7HK$8,364 HKD
Retailer 5HK$8,693 HKD
Retailer 11HK$10,576 HKD
Retailer 2HK$12,118 HKD
Retailer 13HK$16,044 HKD
Retailer 14HK$20,218 HKD
Retailer 3HK$20,713 HKD
Retailer 8HK$27,102 HKD
Retailer 6HK$38,209 HKD
Do Amore DiamondsHK$49,899 HKD

35 data points across 15 retailers

15 retailersHK$5,618 HKD to HK$49,899 HKD

A
Cheapest Retailer
-
HK$5,618 HKD
$716 USD
A
Retailer 2
-
HK$6,112 HKD
$779 USD
View
A
Retailer 3
-
HK$7,744 HKD
$987 USD
View
A
Retailer 4
-
HK$7,960 HKD
£799 GBP
View
A
Retailer 5
-
HK$8,120 HKD
$1,035 USD
View
A
Retailer 6
-
HK$8,364 HKD
$1,066 USD
View
Final sale: no returns
A
Retailer 7
-
HK$8,693 HKD
$1,108 USD
View
A
Retailer 8
-
HK$10,576 HKD
$1,348 USD
View
A
Retailer 9
-
HK$12,118 HKD
€1,471 EUR
View
B+
Retailer 10
-
HK$16,044 HKD
$2,045 USD
View
B+
Retailer 11
-
HK$20,218 HKD
$2,577 USD
View
B+
Retailer 12
-
HK$20,713 HKD
$2,640 USD
View
B
Retailer 13
-
HK$27,102 HKD
£2,720 GBP
View
B
Retailer 14
-
HK$38,209 HKD
$4,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-3887A5746 · Oct 30
HK$49,899 HKD
$6,360 USD
View
14 more retailers have this diamond
Prices start from HK$5,618 HKDSave up to HK$44,281 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
1.70ct Marquise
HK$5,618 HKD