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1.55ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6531637252

Certificate GIA 6531637252

Diamond specifications and retailer prices

From €5,402 EUR
$6,035 USD
As of October 31, 2026
Save €4,157 EUR (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €9,559 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531637252. Listed at 9 retailers as of October 31, 2026, with prices from €5,402 to €9,559, a €4,157 spread on the same certified stone. MOH London lists it at €9,559. 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

1.55
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531637252
Dimensions7.37 × 7.43 × 4.62 mm
L/W Ratio1.01
Top View
7.37 mm7.43 mm1.55 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531637252
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Oct 31
Current: €9,559 EUR|Low: €5,402 EUR|High: €9,675 EUR|Avg: €7,103 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4€5,402 EUR
Retailer 10€5,420 EUR
Retailer 2€6,423 EUR
Retailer 8€6,892 EUR
Retailer 9€6,892 EUR
Retailer 7€7,125 EUR
Retailer 3€7,419 EUR
Retailer 5€7,558 EUR
Retailer 6€8,240 EUR
MOH London€9,559 EUR

34 data points across 10 retailers

9 retailers€5,402 EUR to €9,559 EUR

B+
Cheapest Retailer
-
€5,402 EUR
$6,035 USD
B+
Retailer 2
-
€5,420 EUR
$6,055 USD
View
B+
Retailer 3
-
€6,423 EUR
£5,651 GBP
View
B
Retailer 4
-
€6,892 EUR
$7,700 USD
View
B
Retailer 5
-
€6,892 EUR
$7,700 USD
View
B+
Retailer 6
-
€7,125 EUR
$7,960 USD
View
B+
Retailer 7
-
€7,419 EUR
£6,527 GBP
View
Retailer 8
-
€7,558 EUR
$8,444 USD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
F3B0F60E8 · Nov 1
€9,559 EUR
£8,409 GBP
View
8 more retailers have this diamond
Prices start from €5,402 EURSave up to €4,157 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+
1.55ct Round
€5,402 EUR