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Marquise|Lab Grown|IGI

1.70ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG707556634

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG707556634

Diamond specifications and retailer prices

From HK$3,831 HKD
€465 EUR
As of October 29, 2026
Save HK$5,467 HKD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$9,298 HKD at Rare Carat · As of November 1, 2026
View at Rare Carat

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707556634 or 707556634. Listed at 8 retailers as of October 29, 2026, with prices from HK$3,831 to HK$9,298, a HK$5,467 spread on the same certified stone. Rare Carat lists it at HK$9,298. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707556634
Dimensions12.06 × 6.25 × 3.88 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm6.25 mm1.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707556634
Side View
Table 61.0%Crown 35.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.1%

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 29
Current: HK$4,302 HKD|Low: HK$3,656 HKD|High: HK$9,297 HKD|Avg: HK$5,398 HKD|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3HK$3,831 HKD
Retailer 7HK$3,884 HKD
Retailer 1HK$4,302 HKD
Retailer 4HK$4,629 HKD
Retailer 6HK$4,920 HKD
Retailer 5HK$7,787 HKD
Retailer 2HK$9,197 HKD

42 data points across 7 retailers

8 retailersHK$3,831 HKD to HK$9,298 HKD

A
Cheapest Retailer
-
HK$3,831 HKD
€465 EUR
B+
Retailer 2
-
HK$3,884 HKD
$495 USD
View
A
Retailer 3
-
HK$4,302 HKD
£432 GBP
View
A
Retailer 4
-
HK$4,629 HKD
$590 USD
View
A
Retailer 5
-
HK$4,920 HKD
$627 USD
View
B+
Retailer 6
-
HK$7,787 HKD
$992 USD
View
B
Retailer 7
-
HK$9,197 HKD
£923 GBP
View
Most Expensive
B
Rare Carat
MDP-825_l_707556634 · Nov 1
HK$9,298 HKD
$1,185 USD
View
7 more retailers have this diamond
Prices start from HK$3,831 HKDSave up to HK$5,467 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$3,831 HKD