Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1555587184

Certificate GIA 1555587184

Diamond specifications and retailer prices

From €1,982 EUR
HK$17,300 HKD
As of October 30, 2026
Save €2,563 EUR (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,767 EUR at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct 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 1555587184. Listed at 11 retailers as of October 29, 2026, with a 129% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555587184
Dimensions6.46 × 6.51 × 3.99 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.46 mm6.51 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555587184
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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: €4,767 EUR|Low: €1,982 EUR|High: €5,001 EUR|Avg: €3,126 EUR|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4€1,982 EUR
Retailer 2€2,358 EUR
Retailer 6€2,463 EUR
Retailer 8€2,736 EUR
Retailer 9€2,808 EUR
Retailer 10€2,850 EUR
Retailer 3€3,174 EUR
Retailer 7€4,145 EUR
Retailer 5€4,545 EUR
NZ Jewellers€4,767 EUR

37 data points across 10 retailers

11 retailers€1,982 EUR to €4,545 EUR

A
Cheapest Retailer
-
€1,982 EUR
HK$17,300 HKD
A
Retailer 2
-
€2,358 EUR
View
A
Retailer 3
-
€2,463 EUR
$2,752 USD
View
Retailer 4
-
€2,736 EUR
$3,057 USD
View
Price last confirmed 9 days ago
Retailer 5
-
€2,808 EUR
SGD 4,240 SGD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
€2,850 EUR
A$4,898 AUD
View
Retailer 7
-
€2,877 EUR
$3,214 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
€3,174 EUR
View
Retailer 9
-
€4,145 EUR
View
Price last confirmed 10 days ago
B
Retailer 10
-
€4,545 EUR
£3,998 GBP
View
Most Expensive
NZ Jewellers
89a0f8b9-dc52-4308-86f8-642617521619 · Oct 20
€4,767 EUR
$5,326 USD
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from €1,982 EURSave up to €2,563 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
1.02ct Round
€1,982 EUR