CaratHunter
Plans
Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1545692555

Certificate GIA 1545692555

Diamond specifications and retailer prices

From $4,314 SGD
As of November 6, 2026
Save $4,752 SGD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,066 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545692555. Listed at 14 retailers as of November 4, 2026, with prices from $4,314 to $9,066, a $4,752 spread on the same certified stone. MOH London lists it at $9,066. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1545692555
Dimensions8.17 × 6.09 × 4.13 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural
Top View
8.17 mm6.09 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1545692555
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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: Nov 6
Current: $9,066 SGD|Low: $4,314 SGD|High: $9,969 SGD|Avg: $6,249 SGD|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$4,314 SGD
Retailer 2$4,568 SGD
Retailer 11$5,106 SGD
Retailer 10$5,447 SGD
Retailer 6$5,492 SGD
Retailer 9$5,522 SGD
Retailer 7$5,747 SGD
Retailer 12$5,870 SGD
Retailer 4$6,170 SGD
Retailer 5$6,422 SGD
Retailer 8$6,964 SGD
MOH London$9,066 SGD

29 data points across 12 retailers

14 retailers$4,314 SGD to $9,066 SGD

A
Cheapest Retailer
-
$4,314 SGD
A
Retailer 2
-
$4,568 SGD
View
B+
Retailer 3
-
$5,106 SGD
View
B+
Retailer 4
-
$5,447 SGD
View
B+
Retailer 5
-
$5,492 SGD
View
B+
Retailer 6
-
$5,522 SGD
View
B+
Retailer 7
-
$5,710 SGD
View
B+
Retailer 8
-
$5,747 SGD
View
B+
Retailer 9
-
$5,870 SGD
View
B+
Retailer 10
-
$6,062 SGD
View
Retailer 11
-
$6,170 SGD
View
Price last confirmed 22 days ago
B
Retailer 12
-
$6,422 SGD
View
B+
Retailer 13
-
$6,964 SGD
View
Most Expensive
B
MOH London
43B26F09F · Nov 4
$9,066 SGD
£5,570 GBP
View
13 more retailers have this diamond
Prices start from $4,314 SGDSave up to $4,752 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.

A
1.70ct Cushion
$4,314 SGD