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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 1427402536

Certificate GIA 1427402536

Diamond specifications and retailer prices

From $10,344 NZD
As of November 4, 2026
Save $6,402 NZD (38%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $22,957 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1427402536. Listed at 24 retailers as of November 4, 2026, with a 62% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1427402536
Dimensions6.56 × 6.51 × 3.82 mm
L/W Ratio1.01
Culet sizeVery Small
Top View
6.56 mm6.51 mm1.01 ctD / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1427402536
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: Very SmallDepth 58.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,726 NZD|Low: $9,565 NZD|High: $19,358 NZD|Avg: $13,890 NZD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$10,344 NZD
Retailer 7$11,477 NZD
Retailer 8$12,627 NZD
Retailer 1$12,726 NZD
Retailer 6$13,233 NZD
Retailer 3$14,087 NZD
Retailer 2$16,747 NZD
Retailer 4$19,075 NZD

45 data points across 8 retailers

24 retailers$10,344 NZD to $16,747 NZD

B
Cheapest Retailer
-
$10,344 NZD
B
Retailer 2
-
$10,359 NZD
View
B
Retailer 3
-
$10,661 NZD
View
B
Retailer 4
-
$10,844 NZD
View
B
Retailer 5
-
$11,399 NZD
View
Retailer 6
-
$11,477 NZD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$11,477 NZD
View
Final sale: no returns
B
Retailer 8
-
$11,518 NZD
View
B
Retailer 9
-
$11,678 NZD
View
B
Retailer 10
-
$12,435 NZD
View
B
Retailer 11
-
$12,627 NZD
View
B
Retailer 12
-
$12,726 NZD
View
Retailer 13
-
$13,233 NZD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$13,573 NZD
View
B
Retailer 15
-
$13,786 NZD
View
B
Retailer 16
-
$13,786 NZD
View
B
Retailer 17
-
$14,087 NZD
View
B
Retailer 18
-
$14,249 NZD
View
B
Retailer 19
-
$14,349 NZD
View
Retailer 20
-
$15,124 NZD
View
Price last confirmed 14 days ago
B
Retailer 21
-
$16,747 NZD
View
Retailer 22
-
$19,075 NZD
View
Price under review
Retailer 23
-
$21,776 NZD
View
Price under review
Most Expensive
NZ Jewellers
c14f0929-582a-4d2b-b69e-0df40ad5fb30 · Nov 5
$22,957 NZD
$12,905 USD
View
Price under review
23 more retailers have this diamond
Prices start from $10,344 NZDSave up to $6,402 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
1.01ct Round
$10,344 NZD