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Round|Natural|GIA

0.90ct L SI1 Round Natural Diamond

GD • L/SI1 • GIA 1239815810

Certificate GIA 1239815810

Diamond specifications and retailer prices

From €524 EUR
As of November 6, 2026
Save €1,670 EUR (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,194 EUR 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 standard cut grade and certified by GIA 1239815810. Listed at 14 retailers as of November 5, 2026, with prices from €524 to €2,194, a €1,670 spread on the same certified stone. NZ Jewellers lists it at €2,194. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1239815810
Dimensions5.88 × 5.97 × 3.95 mm
L/W Ratio1.02
Star length50%
Lower girdle80%
Top View
5.88 mm5.97 mm0.90 ctL / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1239815810
Side View
Table 55.0%Crown 39.5°Girdle: ThickPavilion 40.4°Culet: NoneDepth 66.7%

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: €828 EUR|Low: €524 EUR|High: €1,026 EUR|Avg: €804 EUR|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5€524 EUR
Retailer 4€710 EUR
Retailer 6€723 EUR
Retailer 7€824 EUR
Retailer 1€828 EUR
Retailer 2€900 EUR
Retailer 3€1,024 EUR

39 data points across 7 retailers

14 retailers€524 EUR to €2,194 EUR

B+
Cheapest Retailer
-
€524 EUR
Retailer 2
-
€699 EUR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
€699 EUR
View
B+
Retailer 4
-
€710 EUR
View
B+
Retailer 5
-
€723 EUR
View
B+
Retailer 6
-
€726 EUR
View
B+
Retailer 7
-
€807 EUR
View
B+
Retailer 8
-
€807 EUR
View
B+
Retailer 9
-
€817 EUR
View
B+
Retailer 10
-
€828 EUR
View
B+
Retailer 11
-
€851 EUR
View
B
Retailer 12
-
€900 EUR
View
B
Retailer 13
-
€1,024 EUR
View
Most Expensive
C
NZ Jewellers
3c3aecb2-023c-4227-95fc-d28d363ce399 · Nov 5
€2,194 EUR
$2,462 USD
View
13 more retailers have this diamond
Prices start from €524 EURSave up to €1,670 EUR

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
€524 EUR