Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6531774754

Certificate GIA 6531774754

Diamond specifications and retailer prices

From $2,573 USD
HK$20,100 HKD
As of October 29, 2026
Save $3,407 USD (57%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,553 USD 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 27, 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
Color
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: $5,980 USD|Low: $2,573 USD|High: $6,111 USD|Avg: $3,643 USD
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 29, 2026
Retailer 5$2,573 USD
Retailer 15$2,746 USD
Retailer 9$2,785 USD
Retailer 17$2,785 USD
Retailer 11$2,825 USD
Retailer 10$2,871 USD
Retailer 8$3,110 USD
Retailer 6$3,229 USD
Retailer 13$3,322 USD
Retailer 18$3,390 USD
Retailer 20$3,390 USD
Retailer 16$3,500 USD
Retailer 2$3,554 USD
Retailer 12$3,588 USD
Retailer 21$3,767 USD
Retailer 14$3,868 USD
Retailer 4$3,890 USD
Retailer 7$4,074 USD
Retailer 19$4,180 USD
Retailer 3$5,748 USD
NZ Jewellers$5,980 USD

23 data points across 21 retailers

25 retailers$2,573 USD to $5,980 USD

A
Cheapest Retailer
-
$2,573 USD
HK$20,100 HKD
A
Retailer 2
-
$2,746 USD
View
A
Retailer 3
-
$2,785 USD
View
A
Retailer 4
-
$2,785 USD
View
A
Retailer 5
-
$2,825 USD
View
A
Retailer 6
-
$2,868 USD
A$4,413 AUD
View
A
Retailer 7
-
$2,871 USD
View
Final sale: no returns
A
Retailer 8
-
$3,110 USD
View
A
Retailer 9
-
$3,229 USD
View
A
Retailer 10
-
$3,322 USD
£2,616 GBP
View
B+
Retailer 11
-
$3,390 USD
View
B+
Retailer 12
-
$3,390 USD
View
B+
Retailer 13
-
$3,500 USD
View
B+
Retailer 14
-
$3,541 USD
View
Price last confirmed 42 days ago
B+
Retailer 15
-
$3,554 USD
£2,799 GBP
View
B+
Retailer 16
-
$3,588 USD
View
B+
Retailer 17
-
$3,767 USD
€3,588 EUR
View
B+
Retailer 18
-
$3,868 USD
A$5,951 AUD
View
Price last confirmed 20 days ago
B+
Retailer 19
-
$3,890 USD
View
B+
Retailer 20
-
$3,932 USD
View
Price last confirmed 37 days ago
B+
Retailer 21
-
$4,074 USD
View
B+
Retailer 22
-
$4,180 USD
ZAR 67,526 ZAR
View
B
Retailer 23
-
$5,748 USD
£4,526 GBP
View
B
Retailer 24
-
$5,980 USD
View
Most Expensive
B
NZ Jewellers
de278a56-2361-45d9-a9ac-6d825ab6d4ca · Sep 19
$6,553 USD
View
Price last confirmed 39 days ago
24 more retailers have this diamond
Prices start from $2,573 USDSave up to $3,407 USD

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
$2,573 USD