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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2544928323

Certificate GIA 2544928323

Diamond specifications and retailer prices

From $2,419 USD
HK$18,900 HKD
As of October 30, 2026
Save $3,192 USD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,611 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 2544928323. Listed at 23 retailers as of October 30, 2026, with prices from $2,419 to $5,611, a $3,192 spread on the same certified stone. NZ Jewellers lists it at $5,611. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544928323
Dimensions6.29 × 6.34 × 3.98 mm
L/W Ratio1.01
Top View
6.29 mm6.34 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544928323
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: $5,611 USD|Low: $2,419 USD|High: $5,743 USD|Avg: $3,419 USD|-2.3%
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 30, 2026
Retailer 6$2,419 USD
Retailer 4$2,533 USD
Retailer 10$2,613 USD
Retailer 11$2,656 USD
Retailer 14$2,693 USD
Retailer 18$2,850 USD
Retailer 9$2,918 USD
Retailer 19$3,016 USD
Retailer 7$3,030 USD
Retailer 13$3,108 USD
Retailer 3$3,180 USD
Retailer 20$3,180 USD
Retailer 17$3,280 USD
Retailer 15$3,345 USD
Retailer 12$3,367 USD
Retailer 2$3,549 USD
Retailer 5$3,736 USD
Retailer 8$3,820 USD
Retailer 21$3,922 USD
Retailer 16$5,415 USD
NZ Jewellers$5,611 USD

23 data points across 21 retailers

23 retailers$2,419 USD to $5,611 USD

A
Cheapest Retailer
-
$2,419 USD
HK$18,900 HKD
A
Retailer 2
-
$2,533 USD
View
A
Retailer 3
-
$2,613 USD
View
A
Retailer 4
-
$2,656 USD
View
A
Retailer 5
-
$2,693 USD
View
Final sale: no returns
A
Retailer 6
-
$2,697 USD
A$4,150 AUD
View
A
Retailer 7
-
$2,850 USD
View
A
Retailer 8
-
$2,918 USD
View
A
Retailer 9
-
$3,016 USD
View
A
Retailer 10
-
$3,030 USD
View
A
Retailer 11
-
$3,108 USD
£2,448 GBP
View
A
Retailer 12
-
$3,180 USD
View
A
Retailer 13
-
$3,180 USD
View
B+
Retailer 14
-
$3,280 USD
View
B+
Retailer 15
-
$3,345 USD
£2,634 GBP
View
B+
Retailer 16
-
$3,367 USD
View
B+
Retailer 17
-
$3,549 USD
€3,380 EUR
View
Retailer 18
-
$3,599 USD
A$5,537 AUD
View
Price last confirmed 23 days ago
Retailer 19
-
$3,736 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$3,820 USD
View
B+
Retailer 21
-
$3,922 USD
ZAR 63,360 ZAR
View
B
Retailer 22
-
$5,415 USD
£4,264 GBP
View
Most Expensive
B
NZ Jewellers
c04f7c52-73fe-46cf-977c-12a3468ca840 · Oct 30
$5,611 USD
View
22 more retailers have this diamond
Prices start from $2,419 USDSave up to $3,192 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
1.00ct Round
$2,419 USD