Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6531774754

Certificate GIA 6531774754

Diamond specifications and retailer prices

From €2,303 EUR
HK$20,100 HKD
As of October 29, 2026
Save €3,050 EUR (57%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €5,866 EUR at NZ Jewellers · As of September 19, 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 6531774754. Listed at 25 retailers as of October 29, 2026, with a 132% 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6531774754
Dimensions6.38 × 6.41 × 4.04 mm
L/W Ratio1.00
Top View
6.38 mm6.41 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531774754
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°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: Oct 29
Current: €5,353 EUR|Low: €2,303 EUR|High: €5,470 EUR|Avg: €3,230 EUR
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
October 31, 2026
Retailer 5€2,303 EUR
Retailer 14€2,406 EUR
Retailer 9€2,493 EUR
Retailer 17€2,493 EUR
Retailer 11€2,529 EUR
Retailer 10€2,570 EUR
Retailer 8€2,784 EUR
Retailer 6€2,890 EUR
Retailer 15€2,965 EUR
Retailer 18€3,034 EUR
Retailer 20€3,034 EUR
Retailer 16€3,133 EUR
Retailer 2€3,191 EUR
Retailer 12€3,212 EUR
Retailer 13€3,386 EUR
Retailer 4€3,482 EUR
Retailer 7€3,647 EUR
Retailer 19€3,741 EUR
Retailer 3€5,145 EUR
NZ Jewellers€5,353 EUR

23 data points across 20 retailers

25 retailers€2,303 EUR to €5,353 EUR

A
Cheapest Retailer
-
€2,303 EUR
HK$20,100 HKD
A
Retailer 2
-
€2,406 EUR
$2,688 USD
View
A
Retailer 3
-
€2,493 EUR
$2,785 USD
View
A
Retailer 4
-
€2,493 EUR
$2,785 USD
View
A
Retailer 5
-
€2,529 EUR
$2,825 USD
View
A
Retailer 6
-
€2,567 EUR
A$4,413 AUD
View
A
Retailer 7
-
€2,570 EUR
$2,871 USD
View
Final sale: no returns
A
Retailer 8
-
€2,784 EUR
$3,110 USD
View
A
Retailer 9
-
€2,890 EUR
$3,229 USD
View
A
Retailer 10
-
€2,965 EUR
£2,608 GBP
View
B+
Retailer 11
-
€3,034 EUR
$3,390 USD
View
B+
Retailer 12
-
€3,034 EUR
$3,390 USD
View
B+
Retailer 13
-
€3,133 EUR
$3,500 USD
View
Retailer 14
-
€3,170 EUR
$3,541 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
€3,191 EUR
£2,807 GBP
View
B+
Retailer 16
-
€3,212 EUR
$3,588 USD
View
B+
Retailer 17
-
€3,386 EUR
View
Retailer 18
-
€3,462 EUR
A$5,951 AUD
View
Price last confirmed 22 days ago
Retailer 19
-
€3,482 EUR
$3,890 USD
View
Price last confirmed 8 days ago
Retailer 20
-
€3,519 EUR
$3,932 USD
View
Price last confirmed 39 days ago
B+
Retailer 21
-
€3,647 EUR
$4,074 USD
View
B+
Retailer 22
-
€3,741 EUR
ZAR 67,526 ZAR
View
B
Retailer 23
-
€5,145 EUR
£4,526 GBP
View
B
Retailer 24
-
€5,353 EUR
$5,980 USD
View
Most Expensive
NZ Jewellers
de278a56-2361-45d9-a9ac-6d825ab6d4ca · Sep 19
€5,866 EUR
$6,553 USD
View
Price last confirmed 41 days ago
24 more retailers have this diamond
Prices start from €2,303 EURSave up to €3,050 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
€2,303 EUR