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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 $7,878 AUD
$5,534 USD
As of October 30, 2026
Save $8,643 AUD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,521 AUD 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 $7,878 to $16,521, a $8,643 spread on the same certified stone. NZ Jewellers lists it at $16,521. 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 30
Current: $16,521 AUD|Low: $7,878 AUD|High: $18,578 AUD|Avg: $11,514 AUD|-11.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$7,878 AUD
Retailer 7$8,614 AUD
Retailer 6$9,118 AUD
Retailer 4$9,410 AUD
Retailer 9$9,878 AUD
Retailer 8$10,031 AUD
Retailer 2$10,206 AUD
Retailer 10$11,397 AUD
Retailer 3$12,239 AUD
Retailer 5$14,632 AUD
NZ Jewellers$16,521 AUD

39 data points across 11 retailers

11 retailers$7,878 AUD to $16,521 AUD

A
Cheapest Retailer
-
$7,878 AUD
$5,534 USD
Final sale: no returns
A
Retailer 2
-
$8,614 AUD
$6,051 USD
View
A
Retailer 3
-
$9,118 AUD
$6,405 USD
View
A
Retailer 4
-
$9,410 AUD
£5,205 GBP
View
A
Retailer 5
-
$9,878 AUD
$6,939 USD
View
A
Retailer 6
-
$10,031 AUD
$7,046 USD
View
A
Retailer 7
-
$10,206 AUD
€6,828 EUR
View
A
Retailer 8
-
$11,397 AUD
$8,006 USD
View
Retailer 9
-
$12,239 AUD
$8,597 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$14,632 AUD
£8,093 GBP
View
Most Expensive
B
NZ Jewellers
1c06324d-a1c8-4a8c-946b-27c189600191 · Oct 30
$16,521 AUD
$11,605 USD
View
10 more retailers have this diamond
Prices start from $7,878 AUDSave up to $8,643 AUD

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
$7,878 AUD