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Cushion|Natural|GIA

1.70ct H SI1 Cushion Natural Diamond

GD • H/SI1 • GIA 1553664583

Certificate GIA 1553664583

Diamond specifications and retailer prices

From $7,306 AUD
HK$40,000 HKD
As of November 1, 2026
Save $8,786 AUD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,092 AUD at Queensmith · As of October 28, 2026
View at Queensmith

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 1553664583. Listed at 19 retailers as of October 28, 2026, with prices from $7,306 to $16,092, a $8,786 spread on the same certified stone. Queensmith lists it at $16,092. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553664583
Dimensions7.78 × 6.13 × 4.28 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
7.78 mm6.13 mm1.70 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553664583
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

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: Nov 1
Current: $16,092 AUD|Low: $7,306 AUD|High: $16,201 AUD|Avg: $10,303 AUD|+2.1%
Queensmith
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
November 2, 2026
Retailer 14$7,306 AUD
Retailer 2$7,766 AUD
Retailer 4$8,213 AUD
Retailer 6$8,700 AUD
Retailer 13$8,991 AUD
Retailer 5$9,047 AUD
Retailer 7$9,179 AUD
Retailer 9$9,343 AUD
Retailer 10$9,970 AUD
Retailer 3$10,142 AUD
Retailer 8$10,642 AUD
Retailer 12$11,969 AUD
Retailer 11$14,352 AUD
Queensmith$16,092 AUD

22 data points across 14 retailers

19 retailers$7,306 AUD to $16,092 AUD

B+
Cheapest Retailer
-
$7,306 AUD
HK$40,000 HKD
B+
Retailer 2
-
$7,766 AUD
₹518,322 INR
View
B+
Retailer 3
-
$8,213 AUD
$5,756 USD
View
Retailer 4
-
$8,479 AUD
SGD 8,030 SGD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$8,700 AUD
SGD 8,239 SGD
View
B
Retailer 6
-
$8,991 AUD
$6,301 USD
View
Final sale: no returns
B
Retailer 7
-
$9,045 AUD
$6,339 USD
View
B
Retailer 8
-
$9,047 AUD
$6,340 USD
View
Retailer 9
-
$9,145 AUD
$6,409 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$9,179 AUD
£5,065 GBP
View
B
Retailer 11
-
$9,343 AUD
£5,156 GBP
View
Retailer 12
-
$9,716 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$9,970 AUD
$6,987 USD
View
B
Retailer 14
-
$10,080 AUD
View
B
Retailer 15
-
$10,142 AUD
$7,108 USD
View
B
Retailer 16
-
$10,642 AUD
€7,103 EUR
View
B
Retailer 17
-
$11,969 AUD
ZAR 135,512 ZAR
View
B
Retailer 18
-
$14,352 AUD
£7,920 GBP
View
Most Expensive
C
Queensmith
1553664583 · Oct 28
$16,092 AUD
£8,880 GBP
View
18 more retailers have this diamond
Prices start from $7,306 AUDSave up to $8,786 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.

B+
1.70ct Cushion
$7,306 AUD