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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1525227984

Certificate GIA 1525227984

Diamond specifications and retailer prices

From €160 EUR
₹16,999 INR
As of November 1, 2026
Save €885 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,045 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525227984. Listed at 17 retailers as of October 30, 2026, with prices from €160 to €1,045, a €885 spread on the same certified stone. NZ Jewellers lists it at €1,045. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.31
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1525227984
Dimensions4.35 × 4.33 × 2.71 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Feather, Crystal, Knot
Top View
4.35 mm4.33 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525227984
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,045 EUR|Low: €160 EUR|High: €1,078 EUR|Avg: €349 EUR|-3.1%
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 2, 2026
Retailer 11€160 EUR
Retailer 5€195 EUR
Retailer 8€226 EUR
Retailer 14€228 EUR
Retailer 6€247 EUR
Retailer 4€250 EUR
Retailer 2€254 EUR
Retailer 7€302 EUR
Retailer 16€307 EUR
Retailer 15€343 EUR
Retailer 12€345 EUR
Retailer 9€353 EUR
Retailer 3€357 EUR
Retailer 10€445 EUR
Retailer 13€527 EUR
NZ Jewellers€1,045 EUR

23 data points across 16 retailers

17 retailers€160 EUR to €1,045 EUR

A
Cheapest Retailer
-
€160 EUR
₹16,999 INR
A
Retailer 2
-
€195 EUR
HK$1,700 HKD
View
Retailer 3
-
€226 EUR
$252 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€228 EUR
$255 USD
View
A
Retailer 5
-
€247 EUR
SGD 373 SGD
View
A
Retailer 6
-
€250 EUR
$279 USD
View
A
Retailer 7
-
€254 EUR
$284 USD
View
A
Retailer 8
-
€302 EUR
$338 USD
View
A
Retailer 9
-
€307 EUR
$343 USD
View
A
Retailer 10
-
€343 EUR
$383 USD
View
A
Retailer 11
-
€345 EUR
$385 USD
View
B+
Retailer 12
-
€353 EUR
£310 GBP
View
B+
Retailer 13
-
€357 EUR
ZAR 6,452 ZAR
View
Retailer 14
-
€393 EUR
A$676 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
€445 EUR
View
B+
Retailer 16
-
€527 EUR
£464 GBP
View
Most Expensive
B
NZ Jewellers
19204791-518a-418e-9a0e-e222d8f3a2dd · Oct 30
€1,045 EUR
$1,167 USD
View
16 more retailers have this diamond
Prices start from €160 EURSave up to €885 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.

A
0.31ct Round
€160 EUR