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Round|Natural|GIA

1.25ct G IF Round Natural Diamond

EX • G/IF • GIA 6431588718

Certificate GIA 6431588718

Diamond specifications and retailer prices

From $16,565 NZD
As of November 4, 2026
Save $20,905 NZD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $37,470 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6431588718. Listed at 13 retailers as of November 4, 2026, with prices from $16,565 to $37,470, a $20,905 spread on the same certified stone. Diamond Quarter lists it at $37,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6431588718
Dimensions7.11 × 7.09 × 4.18 mm
L/W Ratio1.00
Top View
7.11 mm7.09 mm1.25 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431588718
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.9%

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 4
Current: $20,080 NZD|Low: $16,565 NZD|High: $29,870 NZD|Avg: $21,211 NZD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$16,565 NZD
Retailer 7$17,238 NZD
Retailer 9$17,501 NZD
Retailer 8$18,225 NZD
Retailer 1$20,080 NZD
Retailer 6$20,534 NZD
Retailer 5$21,087 NZD
Retailer 4$22,670 NZD
Retailer 2$24,864 NZD
Retailer 3$29,437 NZD

45 data points across 10 retailers

13 retailers$16,565 NZD to $37,470 NZD

A
Cheapest Retailer
-
$16,565 NZD
A
Retailer 2
-
$17,238 NZD
View
A
Retailer 3
-
$17,323 NZD
View
A
Retailer 4
-
$17,501 NZD
View
B+
Retailer 5
-
$18,225 NZD
View
Final sale: no returns
B+
Retailer 6
-
$20,080 NZD
View
Retailer 7
-
$20,534 NZD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$21,087 NZD
View
B
Retailer 9
-
$22,512 NZD
View
B+
Retailer 10
-
$22,670 NZD
View
Retailer 11
-
$24,864 NZD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$29,437 NZD
View
Most Expensive
B
Diamond Quarter
1.25IFG64188C56N · Nov 5
$37,470 NZD
£16,586 GBP
View
12 more retailers have this diamond
Prices start from $16,565 NZDSave up to $20,905 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
$16,565 NZD