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Round|Natural|GIA

0.90ct L SI1 Round Natural Diamond

VG • L/SI1 • GIA 1278579531

Certificate GIA 1278579531

Diamond specifications and retailer prices

From $1,297 NZD
As of November 6, 2026
Save $4,134 NZD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,431 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1278579531. Listed at 15 retailers as of November 5, 2026, with prices from $1,297 to $5,431, a $4,134 spread on the same certified stone. NZ Jewellers lists it at $5,431. 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

0.90
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1278579531
Dimensions6.03 × 6.01 × 3.92 mm
L/W Ratio1.00
Key to symbols
Feather, Crystal, Cloud
Top View
6.03 mm6.01 mm0.90 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1278579531
Side View
Table 54.0%CrownGirdle: ThickPavilionCulet: NoneDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,431 NZD|Low: $1,274 NZD|High: $5,431 NZD|Avg: $2,218 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 12$1,297 NZD
Retailer 7$1,576 NZD
Retailer 8$1,583 NZD
Retailer 3$1,694 NZD
Retailer 13$1,733 NZD
Retailer 15$1,733 NZD
Retailer 14$1,798 NZD
Retailer 4$1,893 NZD
Retailer 6$1,969 NZD
Retailer 9$1,998 NZD
Retailer 16$1,998 NZD
Retailer 5$2,001 NZD
Retailer 10$2,418 NZD
Retailer 11$2,535 NZD
Retailer 2$4,115 NZD
NZ Jewellers$5,431 NZD

35 data points across 16 retailers

15 retailers$1,297 NZD to $5,431 NZD

B+
Cheapest Retailer
-
$1,297 NZD
B+
Retailer 2
-
$1,583 NZD
View
B+
Retailer 3
-
$1,694 NZD
View
B+
Retailer 4
-
$1,733 NZD
View
Retailer 5
-
$1,733 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,798 NZD
View
B
Retailer 7
-
$1,893 NZD
View
B
Retailer 8
-
$1,969 NZD
View
B
Retailer 9
-
$1,998 NZD
View
B
Retailer 10
-
$1,998 NZD
View
B
Retailer 11
-
$2,001 NZD
View
B
Retailer 12
-
$2,418 NZD
View
B
Retailer 13
-
$2,535 NZD
View
C
Retailer 14
-
$4,115 NZD
View
Most Expensive
C
NZ Jewellers
7b38b294-c18a-412d-9b83-36cee8dfd355 · Nov 5
$5,431 NZD
$3,053 USD
View
14 more retailers have this diamond
Prices start from $1,297 NZDSave up to $4,134 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+
0.90ct Round
$1,297 NZD