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Round|Natural|GIA

1.40ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555290859

Certificate GIA 6555290859

Diamond specifications and retailer prices

From €3,191 EUR
$3,565 USD
As of November 1, 2026
Save €3,783 EUR (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,974 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555290859. Listed at 10 retailers as of October 30, 2026, with prices from €3,191 to €6,974, a €3,783 spread on the same certified stone. NZ Jewellers lists it at €6,974. 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

1.40
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555290859
Dimensions7.07 × 7.13 × 4.49 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
7.07 mm7.13 mm1.40 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555290859
Side View
Table 56.0%Crown 36.5°GirdlePavilion 40.8°Culet: NoneDepth 63.2%

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: €6,974 EUR|Low: €3,191 EUR|High: €7,251 EUR|Avg: €4,626 EUR|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8€3,191 EUR
Retailer 3€3,387 EUR
Retailer 6€3,626 EUR
Retailer 9€3,770 EUR
Retailer 10€3,770 EUR
Retailer 5€4,070 EUR
Retailer 7€4,185 EUR
Retailer 2€4,510 EUR
Retailer 11€4,597 EUR
Retailer 4€6,376 EUR
NZ Jewellers€6,974 EUR

40 data points across 11 retailers

10 retailers€3,191 EUR to €6,974 EUR

A
Cheapest Retailer
-
€3,191 EUR
$3,565 USD
B+
Retailer 2
-
€3,626 EUR
$4,051 USD
View
B+
Retailer 3
-
€3,770 EUR
$4,212 USD
View
B+
Retailer 4
-
€3,770 EUR
$4,212 USD
View
B+
Retailer 5
-
€4,070 EUR
£3,580 GBP
View
B+
Retailer 6
-
€4,185 EUR
$4,675 USD
View
B+
Retailer 7
-
€4,510 EUR
View
Retailer 8
-
€4,597 EUR
$5,136 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
€6,376 EUR
£5,609 GBP
View
Most Expensive
B
NZ Jewellers
dbc3a7d8-6409-446f-82da-82474da76b48 · Oct 30
€6,974 EUR
$7,791 USD
View
9 more retailers have this diamond
Prices start from €3,191 EURSave up to €3,783 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
1.40ct Round
€3,191 EUR