Round|Natural|GIA

1.56ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2534355482

Certificate GIA 2534355482

Diamond specifications and retailer prices

From $4,684 NZD
As of November 6, 2026
Save $5,566 NZD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,250 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.56ct natural round diamond

This 1.56ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2534355482. Listed at 8 retailers as of November 5, 2026, with prices from $4,684 to $10,250, a $5,566 spread on the same certified stone. NZ Jewellers lists it at $10,250. 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

1.56
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2534355482
Dimensions7.35 × 7.43 × 4.61 mm
L/W Ratio1.01
Top View
7.35 mm7.43 mm1.56 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534355482
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,250 NZD|Low: $4,611 NZD|High: $10,458 NZD|Avg: $5,940 NZD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$4,684 NZD
Retailer 7$4,821 NZD
Retailer 5$5,091 NZD
Retailer 8$5,153 NZD
Retailer 2$5,338 NZD
Retailer 3$5,707 NZD
Retailer 4$5,984 NZD
NZ Jewellers$10,250 NZD

41 data points across 8 retailers

8 retailers$4,684 NZD to $10,250 NZD

B+
Cheapest Retailer
-
$4,684 NZD
B+
Retailer 2
-
$4,821 NZD
View
B+
Retailer 3
-
$5,091 NZD
View
B+
Retailer 4
-
$5,153 NZD
View
B+
Retailer 5
-
$5,338 NZD
View
B+
Retailer 6
-
$5,707 NZD
View
B+
Retailer 7
-
$5,984 NZD
View
Most Expensive
C
NZ Jewellers
52e21441-f283-4943-8505-ec9f1dab89d9 · Nov 5
$10,250 NZD
$5,762 USD
View
7 more retailers have this diamond
Prices start from $4,684 NZDSave up to $5,566 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+
1.56ct Round
$4,684 NZD