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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6552212053

Certificate GIA 6552212053

Diamond specifications and retailer prices

From €2,188 EUR
HK$19,100 HKD
As of October 30, 2026
Save €2,891 EUR (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,080 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552212053. Listed at 23 retailers as of October 30, 2026, with prices from €2,188 to €5,080, a €2,891 spread on the same certified stone. NZ Jewellers lists it at €5,080. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552212053
Dimensions6.38 × 6.40 × 3.95 mm
L/W Ratio1.00
Top View
6.38 mm6.40 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552212053
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.8%

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: Oct 30
Current: €5,080 EUR|Low: €2,188 EUR|High: €5,306 EUR|Avg: €3,128 EUR|-2.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 5€2,188 EUR
Retailer 22€2,291 EUR
Retailer 11€2,318 EUR
Retailer 9€2,366 EUR
Retailer 18€2,368 EUR
Retailer 10€2,403 EUR
Retailer 14€2,438 EUR
Retailer 3€2,641 EUR
Retailer 8€2,641 EUR
Retailer 6€2,743 EUR
Retailer 19€2,873 EUR
Retailer 21€2,873 EUR
Retailer 17€2,972 EUR
Retailer 2€3,003 EUR
Retailer 12€3,048 EUR
Retailer 13€3,212 EUR
Retailer 15€3,362 EUR
Retailer 4€3,383 EUR
Retailer 7€3,458 EUR
Retailer 20€3,550 EUR
Retailer 16€4,902 EUR
NZ Jewellers€5,080 EUR

31 data points across 22 retailers

23 retailers€2,188 EUR to €5,080 EUR

A
Cheapest Retailer
-
€2,188 EUR
HK$19,100 HKD
A
Retailer 2
-
€2,291 EUR
$2,560 USD
View
Retailer 3
-
€2,318 EUR
$2,590 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
€2,366 EUR
$2,643 USD
View
A
Retailer 5
-
€2,368 EUR
$2,645 USD
View
A
Retailer 6
-
€2,403 EUR
$2,685 USD
View
A
Retailer 7
-
€2,438 EUR
$2,724 USD
View
Final sale: no returns
A
Retailer 8
-
€2,441 EUR
A$4,195 AUD
View
A
Retailer 9
-
€2,641 EUR
$2,951 USD
View
A
Retailer 10
-
€2,641 EUR
$2,951 USD
View
A
Retailer 11
-
€2,743 EUR
$3,064 USD
View
A
Retailer 12
-
€2,873 EUR
$3,210 USD
View
A
Retailer 13
-
€2,873 EUR
$3,210 USD
View
B+
Retailer 14
-
€2,972 EUR
$3,320 USD
View
B+
Retailer 15
-
€3,003 EUR
£2,642 GBP
View
B+
Retailer 16
-
€3,044 EUR
$3,401 USD
View
B+
Retailer 17
-
€3,048 EUR
$3,405 USD
View
B+
Retailer 18
-
€3,212 EUR
View
Retailer 19
-
€3,362 EUR
A$5,778 AUD
View
Price last confirmed 27 days ago
B+
Retailer 20
-
€3,458 EUR
$3,863 USD
View
B+
Retailer 21
-
€3,550 EUR
ZAR 64,073 ZAR
View
B
Retailer 22
-
€4,902 EUR
£4,312 GBP
View
Most Expensive
B
NZ Jewellers
bde55d89-2d88-488f-861d-e68e802678a4 · Oct 30
€5,080 EUR
$5,675 USD
View
22 more retailers have this diamond
Prices start from €2,188 EURSave up to €2,891 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
1.00ct Round
€2,188 EUR