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Round|Natural|GIA

1.25ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1565352270

Certificate GIA 1565352270

Diamond specifications and retailer prices

From $7,609 NZD
As of November 1, 2026
Save $6,793 NZD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,284 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565352270. Listed at 13 retailers as of November 1, 2026, with a 89% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565352270
Dimensions6.82 × 6.86 × 4.28 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle
Top View
6.82 mm6.86 mm1.25 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565352270
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 1
Current: $9,020 NZD|Low: $7,609 NZD|High: $14,478 NZD|Avg: $9,518 NZD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11$7,609 NZD
Retailer 8$7,811 NZD
Retailer 10$8,110 NZD
Retailer 9$8,410 NZD
Retailer 3$8,424 NZD
Retailer 2$8,509 NZD
Retailer 4$8,785 NZD
Retailer 12$9,010 NZD
Retailer 1$9,020 NZD
Retailer 5$10,187 NZD
Retailer 7$13,215 NZD
Retailer 6$14,402 NZD

19 data points across 12 retailers

13 retailers$7,609 NZD to $14,402 NZD

A
Cheapest Retailer
-
$7,609 NZD
B+
Retailer 2
-
$7,811 NZD
View
B+
Retailer 3
-
$8,110 NZD
View
B+
Retailer 4
-
$8,410 NZD
View
Retailer 5
-
$8,424 NZD
View
Price last confirmed 26 days ago
Retailer 6
-
$8,772 NZD
View
Price last confirmed 42 days ago
Retailer 7
-
$8,785 NZD
View
Price last confirmed 40 days ago
B+
Retailer 8
-
$9,010 NZD
View
B+
Retailer 9
-
$9,020 NZD
View
B+
Retailer 10
-
$10,187 NZD
View
Retailer 11
-
$13,215 NZD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$14,402 NZD
View
Most Expensive
NZ Jewellers
f736fc90-8d80-4a07-95cf-aa6564149729 · Sep 28
$15,284 NZD
$8,473 USD
View
Price last confirmed 39 days ago
12 more retailers have this diamond
Prices start from $7,609 NZDSave up to $6,793 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
$7,609 NZD