CaratHunter
Plans
Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 7558404283

Certificate GIA 7558404283

Diamond specifications and retailer prices

From $2,356 SGD
HK$14,400 HKD
As of November 1, 2026
Save $4,519 SGD (66%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,875 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 7558404283. Listed at 22 retailers as of October 30, 2026, with prices from $2,356 to $6,875, a $4,519 spread on the same certified stone. NZ Jewellers lists it at $6,875. 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
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558404283
Dimensions6.23 × 6.16 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.23 mm6.16 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558404283
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.7%

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: $6,875 SGD|Low: $2,356 SGD|High: $7,081 SGD|Avg: $3,588 SGD|-2.9%
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
November 1, 2026
Retailer 13$2,356 SGD
Retailer 2$2,394 SGD
Retailer 4$2,612 SGD
Retailer 16$2,761 SGD
Retailer 10$2,991 SGD
Retailer 3$3,006 SGD
Retailer 20$3,016 SGD
Retailer 5$3,046 SGD
Retailer 21$3,158 SGD
Retailer 18$3,222 SGD
Retailer 11$3,288 SGD
Retailer 19$3,326 SGD
Retailer 14$3,405 SGD
Retailer 12$3,440 SGD
Retailer 7$3,525 SGD
Retailer 9$3,757 SGD
Retailer 8$3,856 SGD
Retailer 15$3,859 SGD
Retailer 6$4,002 SGD
Retailer 17$5,531 SGD
NZ Jewellers$6,875 SGD

21 data points across 21 retailers

22 retailers$2,356 SGD to $6,875 SGD

A
Cheapest Retailer
-
$2,356 SGD
HK$14,400 HKD
A
Retailer 2
-
$2,394 SGD
₹178,338 INR
View
A
Retailer 3
-
$2,612 SGD
$2,043 USD
View
A
Retailer 4
-
$2,761 SGD
$2,160 USD
View
B+
Retailer 5
-
$2,991 SGD
$2,340 USD
View
B+
Retailer 6
-
$3,006 SGD
$2,351 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,016 SGD
$2,359 USD
View
B+
Retailer 8
-
$3,046 SGD
$2,383 USD
View
B+
Retailer 9
-
$3,158 SGD
$2,470 USD
View
B+
Retailer 10
-
$3,222 SGD
$2,520 USD
View
B+
Retailer 11
-
$3,288 SGD
$2,572 USD
View
B+
Retailer 12
-
$3,326 SGD
£2,049 GBP
View
B+
Retailer 13
-
$3,405 SGD
View
B+
Retailer 14
-
$3,440 SGD
$2,691 USD
View
B+
Retailer 15
-
$3,525 SGD
$2,757 USD
View
B+
Retailer 16
-
$3,757 SGD
$2,939 USD
View
B+
Retailer 17
-
$3,856 SGD
€2,873 EUR
View
B+
Retailer 18
-
$3,859 SGD
$3,019 USD
View
Retailer 19
-
$3,869 SGD
A$4,656 AUD
View
Price last confirmed 24 days ago
B
Retailer 20
-
$4,002 SGD
ZAR 50,573 ZAR
View
B
Retailer 21
-
$5,531 SGD
£3,407 GBP
View
Most Expensive
B
NZ Jewellers
038b0f75-2982-4049-9341-c61daff950d1 · Oct 30
$6,875 SGD
$5,378 USD
View
21 more retailers have this diamond
Prices start from $2,356 SGDSave up to $4,519 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
$2,356 SGD