Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1568038340

Certificate GIA 1568038340

Diamond specifications and retailer prices

From $3,118 USD
As of October 23, 2026
Save $2,732 USD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,120 USD 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 1568038340. Listed at 18 retailers as of October 23, 2026, with a 88% 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
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1568038340
Dimensions6.38 × 6.43 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Needle, Feather
Top View
6.38 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568038340
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $3,358 USD|Low: $2,560 USD|High: $5,945 USD|Avg: $3,716 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$2,560 USD
Retailer 3$3,118 USD
Retailer 8$3,211 USD
Retailer 10$3,232 USD
Retailer 1$3,358 USD
Retailer 4$3,638 USD
Retailer 11$3,766 USD
Retailer 7$4,039 USD
Retailer 6$4,067 USD
Retailer 9$4,240 USD
Retailer 5$5,850 USD

39 data points across 11 retailers

18 retailers$3,118 USD to $5,850 USD

Retailer 1
-
$2,560 USD
HK$20,000 HKD
Price last confirmed 7 days ago
A
Retailer 2
-
$3,118 USD
View
A
Retailer 3
-
$3,211 USD
View
Final sale: no returns
A
Retailer 4
-
$3,232 USD
SGD 4,368 SGD
View
B+
Retailer 5
-
$3,358 USD
£2,644 GBP
View
Retailer 6
-
$3,513 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$3,599 USD
SGD 4,863 SGD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$3,638 USD
£2,864 GBP
View
Retailer 9
-
$3,648 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$3,766 USD
A$5,795 AUD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
$3,846 USD
View
B+
Retailer 12
-
$4,039 USD
£3,180 GBP
View
Retailer 13
-
$4,053 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$4,067 USD
€3,873 EUR
View
Retailer 15
-
$4,240 USD
ZAR 68,490 ZAR
View
Price last confirmed 8 days ago
B
Retailer 16
-
$4,977 USD
View
B
Retailer 17
-
$5,850 USD
£4,606 GBP
View
Most Expensive
NZ Jewellers
4d0e2a06-9c7a-4727-8aeb-dfd30bc267a8 · Oct 20
$6,120 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $3,118 USDSave up to $2,732 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
$3,118 USD