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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 2567588100

Certificate GIA 2567588100

Diamond specifications and retailer prices

From $2,225 SGD
HK$13,600 HKD
As of November 1, 2026
Save $4,169 SGD (65%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,395 SGD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2567588100. Listed at 23 retailers as of October 30, 2026, with prices from $2,225 to $6,395, a $4,169 spread on the same certified stone. NZ Jewellers lists it at $6,395. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2567588100
Dimensions6.13 × 6.20 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.13 mm6.20 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2567588100
Side View
Table 56.0%Crown 38°Girdle: THN-THKPavilion 40°Culet: NoneDepth 65.1%

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 1
Current: $6,395 SGD|Low: $2,225 SGD|High: $7,683 SGD|Avg: $3,149 SGD|+3.8%
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
Retailer 22
November 2, 2026
Retailer 19$2,225 SGD
Retailer 14$2,238 SGD
Retailer 12$2,273 SGD
Retailer 22$2,359 SGD
Retailer 21$2,397 SGD
Retailer 7$2,448 SGD
Retailer 5$2,474 SGD
Retailer 13$2,480 SGD
Retailer 18$2,488 SGD
Retailer 6$2,653 SGD
Retailer 10$2,669 SGD
Retailer 16$2,697 SGD
Retailer 4$2,742 SGD
Retailer 11$2,792 SGD
Retailer 3$2,817 SGD
Retailer 9$3,128 SGD
Retailer 2$3,194 SGD
Retailer 20$3,573 SGD
Retailer 8$3,679 SGD
Retailer 17$3,732 SGD
Retailer 15$5,218 SGD
NZ Jewellers$6,395 SGD

11 data points across 22 retailers

23 retailers$2,225 SGD to $6,395 SGD

A
Cheapest Retailer
-
$2,225 SGD
HK$13,600 HKD
Retailer 2
-
$2,238 SGD
₹166,702 INR
View
Price last confirmed 17 days ago
A
Retailer 3
-
$2,273 SGD
$1,778 USD
View
A
Retailer 4
-
$2,359 SGD
$1,845 USD
View
A
Retailer 5
-
$2,397 SGD
$1,875 USD
View
B+
Retailer 6
-
$2,448 SGD
$1,915 USD
View
Final sale: no returns
A
Retailer 7
-
$2,474 SGD
$1,935 USD
View
A
Retailer 8
-
$2,480 SGD
$1,940 USD
View
A
Retailer 9
-
$2,488 SGD
A$2,994 AUD
View
A
Retailer 10
-
$2,653 SGD
$2,075 USD
View
A
Retailer 11
-
$2,669 SGD
$2,088 USD
View
Retailer 12
-
$2,677 SGD
$2,094 USD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$2,697 SGD
$2,110 USD
View
A
Retailer 14
-
$2,742 SGD
$2,145 USD
View
A
Retailer 15
-
$2,792 SGD
$2,184 USD
View
A
Retailer 16
-
$2,817 SGD
£1,735 GBP
View
B+
Retailer 17
-
$3,128 SGD
$2,447 USD
View
B+
Retailer 18
-
$3,194 SGD
£1,967 GBP
View
B
Retailer 19
-
$3,573 SGD
$2,795 USD
View
B
Retailer 20
-
$3,679 SGD
ZAR 46,492 ZAR
View
B
Retailer 21
-
$3,732 SGD
€2,780 EUR
View
Retailer 22
-
$5,218 SGD
£3,214 GBP
View
Price last confirmed 18 days ago
Most Expensive
C
NZ Jewellers
afe13754-8a98-4853-b129-a868e0a0c0b9 · Oct 30
$6,395 SGD
$5,002 USD
View
22 more retailers have this diamond
Prices start from $2,225 SGDSave up to $4,169 SGD

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
$2,225 SGD