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Round|Natural|GIA

1.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3565648167

Certificate GIA 3565648167

Diamond specifications and retailer prices

From $12,003 NZD
As of November 6, 2026
Save $14,734 NZD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $26,737 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct 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 3565648167. Listed at 23 retailers as of November 5, 2026, with prices from $12,003 to $26,737, a $14,734 spread on the same certified stone. NZ Jewellers lists it at $26,737. 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

1.55
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3565648167
Dimensions7.46 × 7.43 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.46 mm7.43 mm1.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565648167
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.5%

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: Nov 6
Current: $26,737 NZD|Low: $12,003 NZD|High: $27,598 NZD|Avg: $16,192 NZD|-3.1%
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
Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 2$12,003 NZD
Retailer 20$12,368 NZD
Retailer 10$12,454 NZD
Retailer 4$12,790 NZD
Retailer 11$13,816 NZD
Retailer 8$14,132 NZD
Retailer 17$14,566 NZD
Retailer 7$14,684 NZD
Retailer 15$14,915 NZD
Retailer 3$15,189 NZD
Retailer 9$15,279 NZD
Retailer 16$15,546 NZD
Retailer 6$15,986 NZD
Retailer 12$16,008 NZD
Retailer 22$16,231 NZD
Retailer 23$16,334 NZD
Retailer 5$16,434 NZD
Retailer 19$16,486 NZD
Retailer 13$17,619 NZD
Retailer 14$18,445 NZD
Retailer 18$19,502 NZD
Retailer 21$22,219 NZD
NZ Jewellers$26,737 NZD

16 data points across 23 retailers

23 retailers$12,003 NZD to $26,737 NZD

B+
Cheapest Retailer
-
$12,003 NZD
B+
Retailer 2
-
$12,368 NZD
View
B+
Retailer 3
-
$12,454 NZD
View
B+
Retailer 4
-
$12,790 NZD
View
Final sale: no returns
B+
Retailer 5
-
$13,816 NZD
View
B+
Retailer 6
-
$14,132 NZD
View
B+
Retailer 7
-
$14,566 NZD
View
B+
Retailer 8
-
$14,684 NZD
View
Retailer 9
-
$14,915 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$15,189 NZD
View
B+
Retailer 11
-
$15,279 NZD
View
Retailer 12
-
$15,546 NZD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$15,986 NZD
View
B+
Retailer 14
-
$16,008 NZD
View
B+
Retailer 15
-
$16,231 NZD
View
B+
Retailer 16
-
$16,334 NZD
View
B
Retailer 17
-
$16,434 NZD
View
B+
Retailer 18
-
$16,486 NZD
View
B
Retailer 19
-
$17,619 NZD
View
B
Retailer 20
-
$18,445 NZD
View
B
Retailer 21
-
$19,502 NZD
View
B
Retailer 22
-
$22,219 NZD
View
Most Expensive
B
NZ Jewellers
8b723761-7652-4c38-a8f2-4e039014f914 · Nov 5
$26,737 NZD
$14,822 USD
View
22 more retailers have this diamond
Prices start from $12,003 NZDSave up to $14,734 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+
1.55ct Round
$12,003 NZD