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Round|Natural|GIA

1.61ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1555828445

Certificate GIA 1555828445

Diamond specifications and retailer prices

From $9,819 NZD
$5,534 USD
As of October 31, 2026
Save $10,772 NZD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,591 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555828445. Listed at 11 retailers as of October 30, 2026, with prices from $9,819 to $20,591, a $10,772 spread on the same certified stone. NZ Jewellers lists it at $20,591. 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

1.61
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555828445
Dimensions7.50 × 7.56 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
7.50 mm7.56 mm1.61 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555828445
Side View
Table 56.0%Crown 34.5°Girdle: THI-NULPavilion 41.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $20,591 NZD|Low: $9,819 NZD|High: $23,155 NZD|Avg: $14,329 NZD|-11.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11$9,819 NZD
Retailer 7$10,736 NZD
Retailer 6$11,364 NZD
Retailer 4$11,729 NZD
Retailer 9$12,312 NZD
Retailer 8$12,502 NZD
Retailer 5$12,721 NZD
Retailer 10$14,205 NZD
Retailer 3$15,254 NZD
Retailer 2$18,140 NZD
NZ Jewellers$20,591 NZD

39 data points across 11 retailers

11 retailers$9,819 NZD to $20,591 NZD

A
Cheapest Retailer
-
$9,819 NZD
$5,534 USD
Final sale: no returns
A
Retailer 2
-
$10,736 NZD
$6,051 USD
View
A
Retailer 3
-
$11,364 NZD
$6,405 USD
View
A
Retailer 4
-
$11,729 NZD
£5,205 GBP
View
A
Retailer 5
-
$12,312 NZD
$6,939 USD
View
A
Retailer 6
-
$12,502 NZD
$7,046 USD
View
A
Retailer 7
-
$12,721 NZD
€6,828 EUR
View
A
Retailer 8
-
$14,205 NZD
$8,006 USD
View
Retailer 9
-
$15,254 NZD
$8,597 USD
View
Price last confirmed 18 days ago
B+
Retailer 10
-
$18,140 NZD
£8,050 GBP
View
Most Expensive
B
NZ Jewellers
1c06324d-a1c8-4a8c-946b-27c189600191 · Oct 30
$20,591 NZD
$11,605 USD
View
10 more retailers have this diamond
Prices start from $9,819 NZDSave up to $10,772 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.

A
1.61ct Round
$9,819 NZD