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Cushion|Natural|GIA

1.70ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5556438420

Certificate GIA 5556438420

Diamond specifications and retailer prices

From $14,892 NZD
SGD 11,323 SGD
As of October 31, 2026
Save $12,119 NZD (45%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $27,011 NZD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 5556438420. Listed at 20 retailers as of October 31, 2026, with prices from $14,892 to $27,011, a $12,119 spread on the same certified stone. 77 Diamonds lists it at $27,011. 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 5556438420
Dimensions8.31 × 6.20 × 4.12 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Cloud
Top View
8.31 mm6.20 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5556438420
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.5%

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 31
Current: $27,011 NZD|Low: $12,512 NZD|High: $27,011 NZD|Avg: $16,921 NZD|+69.3%
77 Diamonds
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
Retailer 19
November 2, 2026
Retailer 19$12,512 NZD
Retailer 16$13,263 NZD
Retailer 10$13,584 NZD
Retailer 9$14,892 NZD
Retailer 18$15,347 NZD
Retailer 4$15,445 NZD
Retailer 11$15,569 NZD
Retailer 15$15,764 NZD
Retailer 17$15,799 NZD
Retailer 6$17,107 NZD
Retailer 3$17,268 NZD
Retailer 5$18,150 NZD
Retailer 8$20,474 NZD
Retailer 2$20,562 NZD
Retailer 12$21,774 NZD
Retailer 13$21,917 NZD
Retailer 7$23,447 NZD
Retailer 14$23,599 NZD
77 Diamonds$27,011 NZD

23 data points across 19 retailers

20 retailers$14,892 NZD to $27,011 NZD

Retailer 1
-
$12,512 NZD
HK$55,000 HKD
Price last confirmed 13 days ago
Retailer 2
-
$13,263 NZD
₹710,735 INR
View
Price last confirmed 12 days ago
Retailer 3
-
$13,584 NZD
$7,643 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$13,949 NZD
SGD 10,606 SGD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$14,892 NZD
SGD 11,323 SGD
View
Retailer 6
-
$15,347 NZD
$8,635 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
$15,347 NZD
$8,635 USD
View
Retailer 8
-
$15,569 NZD
$8,760 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$15,764 NZD
A$13,646 AUD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$16,968 NZD
A$14,688 AUD
View
Retailer 11
-
$17,107 NZD
$9,625 USD
View
Price last confirmed 14 days ago
Retailer 12
-
$17,268 NZD
$9,716 USD
View
Price last confirmed 13 days ago
Retailer 13
-
$20,474 NZD
ZAR 186,099 ZAR
View
Price last confirmed 16 days ago
B
Retailer 14
-
$20,562 NZD
$11,569 USD
View
B
Retailer 15
-
$21,774 NZD
$12,251 USD
View
B
Retailer 16
-
$21,917 NZD
$12,332 USD
View
B
Retailer 17
-
$22,075 NZD
A$19,109 AUD
View
Retailer 18
-
$23,447 NZD
£10,388 GBP
View
Price last confirmed 12 days ago
Retailer 19
-
$23,599 NZD
£10,455 GBP
View
Price last confirmed 11 days ago
Most Expensive
C
77 Diamonds
CUSZAFRFZ72N · Nov 2
$27,011 NZD
£11,967 GBP
View
19 more retailers have this diamond
Prices start from $14,892 NZDSave up to $12,119 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
$14,892 NZD