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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 $931 SGD
As of November 6, 2026
Save $2,968 SGD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,900 SGD 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 $931 to $3,900, a $2,968 spread on the same certified stone. NZ Jewellers lists it at $3,900. 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: $3,900 SGD|Low: $915 SGD|High: $3,900 SGD|Avg: $1,592 SGD
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$931 SGD
Retailer 7$1,132 SGD
Retailer 8$1,137 SGD
Retailer 3$1,216 SGD
Retailer 13$1,244 SGD
Retailer 15$1,244 SGD
Retailer 14$1,291 SGD
Retailer 4$1,359 SGD
Retailer 6$1,414 SGD
Retailer 9$1,434 SGD
Retailer 16$1,434 SGD
Retailer 5$1,437 SGD
Retailer 10$1,736 SGD
Retailer 11$1,820 SGD
Retailer 2$2,954 SGD
NZ Jewellers$3,900 SGD

35 data points across 16 retailers

15 retailers$931 SGD to $3,900 SGD

B+
Cheapest Retailer
-
$931 SGD
B+
Retailer 2
-
$1,137 SGD
View
B+
Retailer 3
-
$1,216 SGD
View
B+
Retailer 4
-
$1,244 SGD
View
Retailer 5
-
$1,244 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,291 SGD
View
B
Retailer 7
-
$1,359 SGD
View
B
Retailer 8
-
$1,414 SGD
View
B
Retailer 9
-
$1,434 SGD
View
B
Retailer 10
-
$1,434 SGD
View
B
Retailer 11
-
$1,437 SGD
View
B
Retailer 12
-
$1,736 SGD
View
B
Retailer 13
-
$1,820 SGD
View
C
Retailer 14
-
$2,954 SGD
View
Most Expensive
C
NZ Jewellers
7b38b294-c18a-412d-9b83-36cee8dfd355 · Nov 5
$3,900 SGD
$3,053 USD
View
14 more retailers have this diamond
Prices start from $931 SGDSave up to $2,968 SGD

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
$931 SGD