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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 $14,376 CAD
HK$80,400 HKD
As of October 27, 2026
Save $5,916 CAD (29%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,292 CAD 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 $14,376 to $20,292, a $5,916 spread on the same certified stone. Reve Diamonds lists it at $20,292. 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
Color
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: $25,900 CAD|Low: $14,376 CAD|High: $27,601 CAD|Avg: $19,843 CAD|-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 10$14,376 CAD
Retailer 9$16,685 CAD
Retailer 4$16,757 CAD
Retailer 5$16,961 CAD
Retailer 6$17,519 CAD
Retailer 7$17,971 CAD
Retailer 16$18,022 CAD
Retailer 11$18,148 CAD
Retailer 15$18,280 CAD
Retailer 14$18,679 CAD
Retailer 18$19,499 CAD
Retailer 3$19,804 CAD
Retailer 8$20,354 CAD
Retailer 17$20,565 CAD
Retailer 12$20,776 CAD
Retailer 2$23,859 CAD
Retailer 1$25,900 CAD
Retailer 13$27,601 CAD

32 data points across 18 retailers

14 retailers$14,376 CAD to $20,292 CAD

B+
Cheapest Retailer
-
$14,376 CAD
HK$80,400 HKD
Retailer 2
-
$16,197 CAD
SGD 15,669 SGD
View
Price last confirmed 20 days ago
Retailer 3
-
$16,685 CAD
$11,944 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$16,757 CAD
$11,996 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$16,961 CAD
$12,142 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$17,971 CAD
$12,865 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$18,022 CAD
A$19,848 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
$18,148 CAD
£10,230 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
$18,280 CAD
$13,086 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$18,679 CAD
£10,529 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
$19,499 CAD
$13,959 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$19,549 CAD
$13,995 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$19,804 CAD
$14,177 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
49609C2F6 · Oct 25
$20,292 CAD
$14,526 USD
View
13 more retailers have this diamond
Prices start from $14,376 CADSave up to $5,916 CAD

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
$14,376 CAD