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Marquise|Natural|GIA

1.70ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2557726060

Certificate GIA 2557726060

Diamond specifications and retailer prices

From HK$108,921 HKD
CA$19,281 CAD
As of November 2, 2026
Save HK$23,079 HKD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$132,000 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557726060. Listed at 2 retailers as of November 2, 2026, with prices from HK$108,921 to HK$132,000, a HK$23,079 spread on the same certified stone. 77 Diamonds lists it at HK$132,000. 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

1.70
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557726060
Dimensions11.39 × 6.19 × 3.94 mm
L/W Ratio1.84
Top View
11.39 mm6.19 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557726060
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 63.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$132,000 HKD|Low: HK$108,921 HKD|High: HK$133,317 HKD|Avg: HK$120,558 HKD|+0.3%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2HK$108,921 HKD
77 DiamondsHK$132,000 HKD

37 data points across 2 retailers

2 retailersHK$108,921 HKD to HK$132,000 HKD

B
Cheapest Retailer
-
HK$108,921 HKD
CA$19,281 CAD
Most Expensive
B
77 Diamonds
MQMBGCH7VQZP · Nov 2
HK$132,000 HKD
£13,247 GBP
View
1 more retailer has this diamond
Prices start from HK$108,921 HKDSave up to HK$23,079 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.

B
1.70ct Marquise
HK$108,921 HKD