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Marquise|Natural|GIA

1.70ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2557437761

Certificate GIA 2557437761

Diamond specifications and retailer prices

From HK$80,746 HKD
As of October 27, 2026
Save HK$33,228 HKD (29%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$113,974 HKD at Reve Diamonds · As of October 29, 2026
View at Reve 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557437761. Listed at 14 retailers as of October 27, 2026, with prices from HK$80,746 to HK$113,974, a HK$33,228 spread on the same certified stone. Reve Diamonds lists it at HK$113,974. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557437761
Dimensions12.73 × 5.86 × 3.53 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural
Top View
12.73 mm5.86 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557437761
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$145,472 HKD|Low: HK$80,746 HKD|High: HK$155,031 HKD|Avg: HK$111,456 HKD|-0.9%
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
Retailer 17
Retailer 18
October 25, 2026
Retailer 10HK$80,746 HKD
Retailer 9HK$93,714 HKD
Retailer 4HK$94,122 HKD
Retailer 5HK$95,267 HKD
Retailer 6HK$98,398 HKD
Retailer 7HK$100,940 HKD
Retailer 16HK$101,225 HKD
Retailer 11HK$101,935 HKD
Retailer 15HK$102,674 HKD
Retailer 14HK$104,914 HKD
Retailer 18HK$109,524 HKD
Retailer 3HK$111,234 HKD
Retailer 8HK$114,326 HKD
Retailer 17HK$115,510 HKD
Retailer 12HK$116,697 HKD
Retailer 2HK$134,013 HKD
Retailer 1HK$145,472 HKD
Retailer 13HK$155,031 HKD

32 data points across 18 retailers

14 retailersHK$80,746 HKD to HK$113,974 HKD

B+
Cheapest Retailer
-
HK$80,746 HKD
Retailer 2
-
HK$90,976 HKD
SGD 15,669 SGD
View
Price last confirmed 21 days ago
Retailer 3
-
HK$93,714 HKD
$11,944 USD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$94,122 HKD
$11,996 USD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$95,267 HKD
$12,142 USD
View
Price last confirmed 10 days ago
Retailer 6
-
HK$100,940 HKD
$12,865 USD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$101,225 HKD
A$19,848 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
HK$101,935 HKD
£10,230 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
HK$102,674 HKD
$13,086 USD
View
Price last confirmed 8 days ago
Retailer 10
-
HK$104,914 HKD
£10,529 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
HK$109,524 HKD
$13,959 USD
View
Price last confirmed 10 days ago
Retailer 12
-
HK$109,804 HKD
$13,995 USD
View
Price last confirmed 7 days ago
Retailer 13
-
HK$111,234 HKD
$14,177 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
49609C2F6 · Oct 25
HK$113,974 HKD
$14,526 USD
View
13 more retailers have this diamond
Prices start from HK$80,746 HKDSave up to HK$33,228 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$80,746 HKD