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Round|Natural|GIA

1.01ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1543277458

Certificate GIA 1543277458

Diamond specifications and retailer prices

From $2,457 USD
As of November 4, 2026
Save $2,940 USD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,624 USD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543277458. Listed at 19 retailers as of November 2, 2026, with a 120% 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

1.01
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1543277458
Dimensions6.48 × 6.45 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.48 mm6.45 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543277458
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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: Nov 4
Current: $3,088 USD|Low: $2,457 USD|High: $5,455 USD|Avg: $3,612 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$2,457 USD
Retailer 5$2,558 USD
Retailer 2$2,942 USD
Retailer 6$3,081 USD
Retailer 1$3,088 USD
Retailer 4$3,319 USD
Retailer 3$3,418 USD
Retailer 7$3,754 USD
Retailer 10$5,340 USD
Retailer 8$5,397 USD

27 data points across 10 retailers

19 retailers$2,457 USD to $5,397 USD

A
Cheapest Retailer
-
$2,457 USD
A
Retailer 2
-
$2,558 USD
View
A
Retailer 3
-
$2,942 USD
View
A
Retailer 4
-
$2,978 USD
View
Final sale: no returns
A
Retailer 5
-
$3,016 USD
View
A
Retailer 6
-
$3,081 USD
View
A
Retailer 7
-
$3,088 USD
View
Retailer 8
-
$3,228 USD
View
Price last confirmed 25 days ago
Retailer 9
-
$3,228 USD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$3,260 USD
View
B+
Retailer 11
-
$3,319 USD
View
Retailer 12
-
$3,352 USD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$3,371 USD
View
B+
Retailer 14
-
$3,418 USD
View
Retailer 15
-
$3,724 USD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$3,754 USD
View
Retailer 17
-
$5,340 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$5,397 USD
View
Most Expensive
NZ Jewellers
228c5e72-83c5-4aa8-9d78-3df618f1de80 · Sep 28
$5,624 USD
View
Price last confirmed 39 days ago
18 more retailers have this diamond
Prices start from $2,457 USDSave up to $2,940 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
1.01ct Round
$2,457 USD