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Cushion|Natural|GIA

1.70ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 6555251052

Certificate GIA 6555251052

Diamond specifications and retailer prices

From $11,469 NZD
HK$50,500 HKD
As of November 1, 2026
Save $11,211 NZD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $22,680 NZD 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555251052. Listed at 18 retailers as of October 28, 2026, with prices from $11,469 to $22,680, a $11,211 spread on the same certified stone. Queensmith lists it at $22,680. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555251052
Dimensions8.03 × 6.14 × 4.18 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
8.03 mm6.14 mm1.70 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555251052
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

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: $22,680 NZD|Low: $11,469 NZD|High: $22,894 NZD|Avg: $15,678 NZD|+1.2%
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
Retailer 15
November 2, 2026
Retailer 15$11,469 NZD
Retailer 9$12,104 NZD
Retailer 5$12,475 NZD
Retailer 7$13,778 NZD
Retailer 12$13,786 NZD
Retailer 3$13,999 NZD
Retailer 14$14,061 NZD
Retailer 8$14,193 NZD
Retailer 4$14,310 NZD
Retailer 6$14,680 NZD
Retailer 10$15,562 NZD
Retailer 2$16,642 NZD
Retailer 13$18,715 NZD
Retailer 11$21,231 NZD
Queensmith$22,680 NZD

26 data points across 15 retailers

18 retailers$11,469 NZD to $22,680 NZD

B+
Cheapest Retailer
-
$11,469 NZD
HK$50,500 HKD
B+
Retailer 2
-
$12,104 NZD
₹649,726 INR
View
B+
Retailer 3
-
$12,475 NZD
$7,031 USD
View
Retailer 4
-
$12,911 NZD
SGD 9,833 SGD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$13,778 NZD
SGD 10,494 SGD
View
B+
Retailer 6
-
$13,786 NZD
$7,770 USD
View
B+
Retailer 7
-
$13,999 NZD
$7,890 USD
View
B
Retailer 8
-
$14,061 NZD
$7,925 USD
View
Final sale: no returns
B+
Retailer 9
-
$14,193 NZD
£6,298 GBP
View
B
Retailer 10
-
$14,198 NZD
$8,002 USD
View
B
Retailer 11
-
$14,310 NZD
$8,065 USD
View
Retailer 12
-
$14,680 NZD
A$12,728 AUD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$15,498 NZD
A$13,438 AUD
View
B
Retailer 14
-
$15,562 NZD
$8,771 USD
View
B
Retailer 15
-
$16,642 NZD
€8,933 EUR
View
B
Retailer 16
-
$18,715 NZD
ZAR 170,401 ZAR
View
B
Retailer 17
-
$21,231 NZD
£9,422 GBP
View
Most Expensive
B
Queensmith
6555251052 · Oct 28
$22,680 NZD
£10,065 GBP
View
17 more retailers have this diamond
Prices start from $11,469 NZDSave up to $11,211 NZD

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
$11,469 NZD