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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7531246302

Certificate GIA 7531246302

Diamond specifications and retailer prices

From $3,158 SGD
HK$19,300 HKD
As of November 1, 2026
Save $3,714 SGD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,160 SGD at NZ Jewellers · As of October 20, 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 top-tier cut grade and certified by GIA 7531246302. Listed at 25 retailers as of November 1, 2026, with a 118% 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7531246302
Dimensions6.40 × 6.37 × 3.93 mm
L/W Ratio1.00
Key to symbols
Feather, Indented Natural, Natural
Top View
6.40 mm6.37 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531246302
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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: $3,184 SGD|Low: $3,076 SGD|High: $6,955 SGD|Avg: $4,361 SGD|+0.0%
Retailer 1
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
November 1, 2026
Retailer 13$3,158 SGD
Retailer 1$3,184 SGD
Retailer 6$3,596 SGD
Retailer 4$3,647 SGD
Retailer 7$3,792 SGD
Retailer 5$3,929 SGD
Retailer 8$3,954 SGD
Retailer 2$4,057 SGD
Retailer 14$4,155 SGD
Retailer 11$4,233 SGD
Retailer 10$4,646 SGD
Retailer 12$5,052 SGD
Retailer 15$5,954 SGD
Retailer 3$6,120 SGD
Retailer 9$6,873 SGD

29 data points across 15 retailers

25 retailers$3,158 SGD to $6,873 SGD

A
Cheapest Retailer
-
$3,158 SGD
HK$19,300 HKD
A
Retailer 2
-
$3,184 SGD
₹237,214 INR
View
B+
Retailer 3
-
$3,596 SGD
View
B+
Retailer 4
-
$3,647 SGD
$2,853 USD
View
Retailer 5
-
$3,753 SGD
$2,936 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$3,792 SGD
$2,966 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,929 SGD
$3,073 USD
View
B+
Retailer 8
-
$3,954 SGD
£2,436 GBP
View
B
Retailer 9
-
$3,982 SGD
$3,115 USD
View
B
Retailer 10
-
$4,057 SGD
$3,174 USD
View
Retailer 11
-
$4,110 SGD
$3,215 USD
View
Price last confirmed 16 days ago
Retailer 12
-
$4,110 SGD
$3,215 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$4,155 SGD
$3,250 USD
View
B+
Retailer 14
-
$4,233 SGD
£2,607 GBP
View
Retailer 15
-
$4,267 SGD
$3,338 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$4,293 SGD
$3,358 USD
View
B+
Retailer 17
-
$4,402 SGD
View
Retailer 18
-
$4,407 SGD
A$5,303 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
$4,646 SGD
€3,461 EUR
View
Retailer 20
-
$4,742 SGD
$3,709 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$5,052 SGD
ZAR 63,837 ZAR
View
B
Retailer 22
-
$5,954 SGD
$4,657 USD
View
B
Retailer 23
-
$6,120 SGD
$4,787 USD
View
B
Retailer 24
-
$6,873 SGD
£4,233 GBP
View
Most Expensive
NZ Jewellers
50e08de8-2568-4efa-8c40-f267d318b6f9 · Oct 20
$7,160 SGD
$5,601 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from $3,158 SGDSave up to $3,714 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
$3,158 SGD