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Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1508356396

Certificate GIA 1508356396

Diamond specifications and retailer prices

From $11,689 NZD
$6,588 USD
As of October 30, 2026
Save $13,222 NZD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $24,911 NZD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round 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 and certified by GIA 1508356396. Listed at 19 retailers as of October 27, 2026, with prices from $11,689 to $24,911, a $13,222 spread on the same certified stone. NZ Jewellers lists it at $24,911. 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

1.60
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1508356396
Dimensions7.44 × 7.39 × 4.65 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle, Natural
Top View
7.44 mm7.39 mm1.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508356396
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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 30
Current: $24,911 NZD|Low: $11,178 NZD|High: $24,911 NZD|Avg: $15,125 NZD
NZ Jewellers
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
Retailer 20
October 30, 2026
Retailer 20$11,178 NZD
Retailer 12$11,446 NZD
Retailer 9$11,689 NZD
Retailer 11$11,769 NZD
Retailer 4$12,456 NZD
Retailer 6$12,456 NZD
Retailer 19$12,456 NZD
Retailer 3$13,494 NZD
Retailer 8$13,701 NZD
Retailer 13$13,965 NZD
Retailer 5$14,281 NZD
Retailer 18$14,285 NZD
Retailer 7$15,569 NZD
Retailer 15$16,251 NZD
Retailer 10$16,405 NZD
Retailer 2$16,555 NZD
Retailer 17$18,135 NZD
Retailer 14$20,868 NZD
Retailer 16$21,689 NZD
NZ Jewellers$24,911 NZD

27 data points across 20 retailers

19 retailers$11,689 NZD to $24,911 NZD

Retailer 1
-
$11,178 NZD
$6,300 USD
Price last confirmed 8 days ago
Retailer 2
-
$11,446 NZD
HK$50,400 HKD
View
Price last confirmed 46 days ago
B+
Retailer 3
-
$11,689 NZD
$6,588 USD
View
B+
Retailer 4
-
$11,769 NZD
$6,633 USD
View
B+
Retailer 5
-
$12,456 NZD
$7,020 USD
View
B+
Retailer 6
-
$12,456 NZD
$7,020 USD
View
B+
Retailer 7
-
$13,494 NZD
$7,605 USD
View
B+
Retailer 8
-
$13,701 NZD
$7,722 USD
View
B+
Retailer 9
-
$13,965 NZD
£6,197 GBP
View
B
Retailer 10
-
$14,281 NZD
$8,049 USD
View
Retailer 11
-
$14,285 NZD
A$12,386 AUD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$15,569 NZD
$8,775 USD
View
B
Retailer 13
-
$16,251 NZD
€8,723 EUR
View
Retailer 14
-
$16,405 NZD
$9,246 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$16,555 NZD
£7,347 GBP
View
B
Retailer 16
-
$18,135 NZD
ZAR 165,124 ZAR
View
B
Retailer 17
-
$20,868 NZD
£9,261 GBP
View
B
Retailer 18
-
$21,689 NZD
£9,625 GBP
View
Most Expensive
B
NZ Jewellers
6f28d0ad-7bea-47b1-b1c5-904aff7fb941 · Oct 27
$24,911 NZD
$14,040 USD
View
18 more retailers have this diamond
Prices start from $11,689 NZDSave up to $13,222 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+
1.60ct Round
$11,689 NZD