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Round|Natural|GIA

1.25ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6552572356

Certificate GIA 6552572356

Diamond specifications and retailer prices

From $4,979 NZD
As of November 6, 2026
Save $5,543 NZD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,991 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552572356. Listed at 20 retailers as of November 4, 2026, with a 111% 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

1.25
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552572356
Dimensions6.81 × 6.85 × 4.27 mm
L/W Ratio1.01
Girdle conditionSlightly Thick to Slightly Thick
Key to symbols
Twinning Wisp, Feather, Needle
Top View
6.81 mm6.85 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552572356
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°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: Nov 6
Current: $6,552 NZD|Low: $4,739 NZD|High: $10,998 NZD|Avg: $6,376 NZD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$4,979 NZD
Retailer 5$5,029 NZD
Retailer 7$5,168 NZD
Retailer 6$5,275 NZD
Retailer 2$5,897 NZD
Retailer 9$6,270 NZD
Retailer 10$6,548 NZD
Retailer 1$6,552 NZD
Retailer 3$7,198 NZD
Retailer 4$10,522 NZD

43 data points across 10 retailers

20 retailers$4,979 NZD to $10,522 NZD

A
Cheapest Retailer
-
$4,979 NZD
A
Retailer 2
-
$5,029 NZD
View
A
Retailer 3
-
$5,168 NZD
View
A
Retailer 4
-
$5,275 NZD
View
Final sale: no returns
A
Retailer 5
-
$5,316 NZD
View
Retailer 6
-
$5,717 NZD
View
Price last confirmed 50 days ago
Retailer 7
-
$5,717 NZD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$5,897 NZD
View
Retailer 9
-
$6,113 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$6,270 NZD
View
B+
Retailer 11
-
$6,548 NZD
View
B+
Retailer 12
-
$6,548 NZD
View
B+
Retailer 13
-
$6,552 NZD
View
Retailer 14
-
$6,595 NZD
View
Price last confirmed 48 days ago
Retailer 15
-
$6,595 NZD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$6,765 NZD
View
B+
Retailer 17
-
$7,198 NZD
View
B
Retailer 18
-
$10,522 NZD
View
Retailer 19
-
$10,991 NZD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
cb690922-249a-4408-bb91-5a1185c9570f · Sep 28
$10,991 NZD
$6,093 USD
View
Price last confirmed 39 days ago
19 more retailers have this diamond
Prices start from $4,979 NZDSave up to $5,543 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
1.25ct Round
$4,979 NZD