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Round|Natural|GIA

1.09ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 1509146931

Certificate GIA 1509146931

Diamond specifications and retailer prices

From $4,344 NZD
As of November 5, 2026
Save $5,863 NZD (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $10,207 NZD at Allurez · As of November 5, 2026
View at Allurez

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1509146931. Listed at 2 retailers as of November 5, 2026, with prices from $4,344 to $10,207, a $5,863 spread on the same certified stone. Allurez lists it at $10,207. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1509146931
Dimensions6.55 × 6.58 × 4.10 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.55 mm6.58 mm1.09 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1509146931
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $10,207 NZD|Low: $4,321 NZD|High: $10,255 NZD|Avg: $7,289 NZD|-0.5%
Allurez
Retailer 2
November 5, 2026
Retailer 2$4,344 NZD
Allurez$10,207 NZD

6 data points across 2 retailers

2 retailers$4,344 NZD to $10,207 NZD

A
Cheapest Retailer
-
$4,344 NZD
Most Expensive
B
Allurez
2667171 · Nov 5
$10,207 NZD
$5,738 USD
View
1 more retailer has this diamond
Prices start from $4,344 NZDSave up to $5,863 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
1.09ct Round
$4,344 NZD