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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2544928323

Certificate GIA 2544928323

Diamond specifications and retailer prices

From €2,188 EUR
HK$19,100 HKD
As of October 31, 2026
Save €2,834 EUR (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,022 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 2544928323. Listed at 23 retailers as of October 30, 2026, with prices from €2,188 to €5,022, a €2,834 spread on the same certified stone. NZ Jewellers lists it at €5,022. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544928323
Dimensions6.29 × 6.34 × 3.98 mm
L/W Ratio1.01
Top View
6.29 mm6.34 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544928323
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

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 31
Current: €5,022 EUR|Low: €2,165 EUR|High: €5,141 EUR|Avg: €3,041 EUR|-2.3%
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
October 31, 2026
Retailer 13€2,188 EUR
Retailer 5€2,267 EUR
Retailer 10€2,339 EUR
Retailer 11€2,377 EUR
Retailer 14€2,410 EUR
Retailer 20€2,551 EUR
Retailer 9€2,612 EUR
Retailer 21€2,700 EUR
Retailer 7€2,712 EUR
Retailer 17€2,782 EUR
Retailer 3€2,846 EUR
Retailer 4€2,846 EUR
Retailer 19€2,936 EUR
Retailer 15€2,969 EUR
Retailer 12€3,014 EUR
Retailer 16€3,177 EUR
Retailer 6€3,344 EUR
Retailer 8€3,419 EUR
Retailer 2€3,544 EUR
Retailer 18€4,847 EUR
NZ Jewellers€5,022 EUR

23 data points across 21 retailers

23 retailers€2,188 EUR to €5,022 EUR

A
Cheapest Retailer
-
€2,188 EUR
HK$19,100 HKD
A
Retailer 2
-
€2,267 EUR
$2,533 USD
View
A
Retailer 3
-
€2,339 EUR
$2,613 USD
View
A
Retailer 4
-
€2,377 EUR
$2,656 USD
View
A
Retailer 5
-
€2,410 EUR
$2,693 USD
View
Final sale: no returns
A
Retailer 6
-
€2,414 EUR
A$4,150 AUD
View
A
Retailer 7
-
€2,551 EUR
$2,850 USD
View
A
Retailer 8
-
€2,612 EUR
$2,918 USD
View
A
Retailer 9
-
€2,700 EUR
$3,016 USD
View
A
Retailer 10
-
€2,712 EUR
$3,030 USD
View
A
Retailer 11
-
€2,782 EUR
£2,448 GBP
View
A
Retailer 12
-
€2,846 EUR
$3,180 USD
View
A
Retailer 13
-
€2,846 EUR
$3,180 USD
View
B+
Retailer 14
-
€2,936 EUR
$3,280 USD
View
B+
Retailer 15
-
€2,969 EUR
£2,612 GBP
View
B+
Retailer 16
-
€3,014 EUR
$3,367 USD
View
B+
Retailer 17
-
€3,177 EUR
View
Retailer 18
-
€3,221 EUR
A$5,537 AUD
View
Price last confirmed 23 days ago
Retailer 19
-
€3,344 EUR
$3,736 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
€3,419 EUR
$3,820 USD
View
B+
Retailer 21
-
€3,544 EUR
ZAR 63,957 ZAR
View
B
Retailer 22
-
€4,847 EUR
£4,264 GBP
View
Most Expensive
B
NZ Jewellers
c04f7c52-73fe-46cf-977c-12a3468ca840 · Oct 30
€5,022 EUR
$5,611 USD
View
22 more retailers have this diamond
Prices start from €2,188 EURSave up to €2,834 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