Cushion|Natural|GIA

1.70ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6237954483

Certificate GIA 6237954483

Diamond specifications and retailer prices

From $4,738 AUD
HK$26,000 HKD
As of November 1, 2026
Save $5,548 AUD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,286 AUD at MOH London · As of November 1, 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 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 6237954483. Listed at 9 retailers as of November 1, 2026, with prices from $4,738 to $10,286, a $5,548 spread on the same certified stone. MOH London lists it at $10,286. 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
SymmetryExcellent
FluorescenceNone
Pavilion angle36.93°
OriginNatural
Grading LabGIA
CertificateGIA 6237954483
Dimensions6.64 × 6.64 × 4.55 mm
L/W Ratio1.00
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.64 mm6.64 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237954483
Side View
Table 64.0%CrownGirdle: THK-ETKPavilion 36.93°Culet: NoneDepth 68.5%

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 1
Current: $10,286 AUD|Low: $4,701 AUD|High: $11,578 AUD|Avg: $7,087 AUD|-11.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$4,738 AUD
Retailer 4$5,491 AUD
Retailer 5$5,737 AUD
Retailer 3$6,085 AUD
Retailer 8$6,131 AUD
Retailer 7$6,877 AUD
Retailer 2$7,544 AUD
MOH London$10,286 AUD

36 data points across 8 retailers

9 retailers$4,738 AUD to $10,286 AUD

A
Cheapest Retailer
-
$4,738 AUD
HK$26,000 HKD
A
Retailer 2
-
$5,491 AUD
€3,674 EUR
View
A
Retailer 3
-
$5,737 AUD
$4,030 USD
View
A
Retailer 4
-
$6,085 AUD
£3,366 GBP
View
Retailer 5
-
$6,131 AUD
SGD 5,820 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$6,877 AUD
$4,831 USD
View
B+
Retailer 7
-
$7,188 AUD
View
A
Retailer 8
-
$7,544 AUD
€5,047 EUR
View
Most Expensive
B+
MOH London
46B163128 · Nov 1
$10,286 AUD
£5,689 GBP
View
8 more retailers have this diamond
Prices start from $4,738 AUDSave up to $5,548 AUD

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
$4,738 AUD