CaratHunter
Plans
Marquise|Natural|GIA

1.70ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2557437761

Certificate GIA 2557437761

Diamond specifications and retailer prices

From $13,161 SGD
HK$80,400 HKD
As of October 27, 2026
Save $5,416 SGD (29%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,577 SGD 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 13 retailers as of October 27, 2026, with prices from $13,161 to $18,577, a $5,416 spread on the same certified stone. Reve Diamonds lists it at $18,577. 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: $23,712 SGD|Low: $13,161 SGD|High: $25,270 SGD|Avg: $18,167 SGD|-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$13,161 SGD
Retailer 9$15,275 SGD
Retailer 4$15,342 SGD
Retailer 5$15,528 SGD
Retailer 6$16,039 SGD
Retailer 7$16,453 SGD
Retailer 16$16,499 SGD
Retailer 11$16,615 SGD
Retailer 15$16,736 SGD
Retailer 14$17,101 SGD
Retailer 18$17,852 SGD
Retailer 3$18,131 SGD
Retailer 8$18,635 SGD
Retailer 17$18,828 SGD
Retailer 12$19,021 SGD
Retailer 2$21,844 SGD
Retailer 1$23,712 SGD
Retailer 13$25,270 SGD

32 data points across 18 retailers

13 retailers$13,161 SGD to $18,577 SGD

B+
Cheapest Retailer
-
$13,161 SGD
HK$80,400 HKD
Retailer 2
-
$14,829 SGD
View
Price last confirmed 21 days ago
Retailer 3
-
$15,275 SGD
$11,944 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$15,342 SGD
$11,996 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$15,528 SGD
$12,142 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$16,453 SGD
$12,865 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$16,499 SGD
A$19,848 AUD
View
Price last confirmed 10 days ago
Retailer 8
-
$16,615 SGD
£10,230 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
$16,736 SGD
$13,086 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$17,852 SGD
$13,959 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$17,898 SGD
$13,995 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$18,131 SGD
$14,177 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
49609C2F6 · Oct 25
$18,577 SGD
$14,526 USD
View
12 more retailers have this diamond
Prices start from $13,161 SGDSave up to $5,416 SGD

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
$13,161 SGD