Round|Natural|GIA

0.90ct L SI1 Round Natural Diamond

VG • L/SI1 • GIA 1278579531

Certificate GIA 1278579531

Diamond specifications and retailer prices

From $729 USD
As of November 6, 2026
Save $2,324 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,053 USD 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 $729 to $3,053, a $2,324 spread on the same certified stone. NZ Jewellers lists it at $3,053. 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
Color
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: $3,053 USD|Low: $716 USD|High: $3,053 USD|Avg: $1,247 USD
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$729 USD
Retailer 7$886 USD
Retailer 8$890 USD
Retailer 3$952 USD
Retailer 13$974 USD
Retailer 15$974 USD
Retailer 14$1,011 USD
Retailer 4$1,064 USD
Retailer 6$1,107 USD
Retailer 9$1,123 USD
Retailer 16$1,123 USD
Retailer 5$1,125 USD
Retailer 10$1,359 USD
Retailer 11$1,425 USD
Retailer 2$2,313 USD
NZ Jewellers$3,053 USD

35 data points across 16 retailers

15 retailers$729 USD to $3,053 USD

B+
Cheapest Retailer
-
$729 USD
B+
Retailer 2
-
$890 USD
View
B+
Retailer 3
-
$952 USD
View
B+
Retailer 4
-
$974 USD
View
Retailer 5
-
$974 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,011 USD
View
B
Retailer 7
-
$1,064 USD
View
B
Retailer 8
-
$1,107 USD
View
B
Retailer 9
-
$1,123 USD
View
B
Retailer 10
-
$1,123 USD
View
B
Retailer 11
-
$1,125 USD
View
B
Retailer 12
-
$1,359 USD
View
B
Retailer 13
-
$1,425 USD
View
C
Retailer 14
-
$2,313 USD
View
Most Expensive
C
NZ Jewellers
7b38b294-c18a-412d-9b83-36cee8dfd355 · Nov 5
$3,053 USD
View
14 more retailers have this diamond
Prices start from $729 USDSave up to $2,324 USD

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
$729 USD