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Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3555601831

Certificate GIA 3555601831

Diamond specifications and retailer prices

From $11,073 NZD
$6,230 USD
As of November 1, 2026
Save $9,353 NZD (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $23,627 NZD at NZ Jewellers · As of October 3, 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 3555601831. Listed at 22 retailers as of November 1, 2026, with a 84% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555601831
Dimensions7.45 × 7.40 × 4.66 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.45 mm7.40 mm1.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555601831
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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: Nov 1
Current: $16,240 NZD|Low: $11,073 NZD|High: $20,671 NZD|Avg: $14,199 NZD|-1.3%
Retailer 1
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
November 2, 2026
Retailer 3$11,073 NZD
Retailer 6$11,579 NZD
Retailer 11$11,609 NZD
Retailer 4$11,754 NZD
Retailer 7$12,254 NZD
Retailer 18$12,263 NZD
Retailer 9$13,040 NZD
Retailer 5$13,051 NZD
Retailer 8$13,475 NZD
Retailer 2$13,543 NZD
Retailer 12$13,736 NZD
Retailer 10$13,756 NZD
Retailer 17$14,050 NZD
Retailer 16$14,792 NZD
Retailer 13$15,101 NZD
Retailer 1$16,240 NZD
Retailer 15$18,004 NZD
Retailer 14$20,425 NZD

32 data points across 18 retailers

22 retailers$11,073 NZD to $20,425 NZD

B+
Cheapest Retailer
-
$11,073 NZD
$6,230 USD
B+
Retailer 2
-
$11,397 NZD
A$9,865 AUD
View
B+
Retailer 3
-
$11,579 NZD
$6,515 USD
View
B+
Retailer 4
-
$11,609 NZD
$6,532 USD
View
B+
Retailer 5
-
$11,754 NZD
$6,613 USD
View
B+
Retailer 6
-
$12,254 NZD
$6,895 USD
View
Final sale: no returns
B+
Retailer 7
-
$12,263 NZD
$6,900 USD
View
B+
Retailer 8
-
$13,051 NZD
$7,343 USD
View
Retailer 9
-
$13,475 NZD
$7,582 USD
View
Price last confirmed 18 days ago
B+
Retailer 10
-
$13,543 NZD
$7,620 USD
View
B+
Retailer 11
-
$13,736 NZD
£6,086 GBP
View
Retailer 12
-
$13,756 NZD
$7,740 USD
View
Price last confirmed 27 days ago
Retailer 13
-
$14,050 NZD
A$12,162 AUD
View
Price last confirmed 11 days ago
Retailer 14
-
$14,128 NZD
$7,949 USD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
$14,792 NZD
$8,323 USD
View
Retailer 16
-
$14,881 NZD
$8,373 USD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$15,101 NZD
€8,092 EUR
View
B+
Retailer 18
-
$16,240 NZD
£7,195 GBP
View
Retailer 19
-
$16,300 NZD
$9,171 USD
View
Price last confirmed 31 days ago
B
Retailer 20
-
$18,004 NZD
ZAR 163,654 ZAR
View
B
Retailer 21
-
$20,425 NZD
£9,049 GBP
View
Most Expensive
NZ Jewellers
ae280d6a-2e51-47a0-9001-1beefb39695f · Oct 3
$23,627 NZD
$13,294 USD
View
Price last confirmed 30 days ago
21 more retailers have this diamond
Prices start from $11,073 NZDSave up to $9,353 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
$11,073 NZD