CaratHunter
Plans
Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7566188827

Certificate GIA 7566188827

Diamond specifications and retailer prices

From $1,992 SGD
As of October 31, 2026
Save $1,876 SGD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,868 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 7566188827. Listed at 8 retailers as of October 26, 2026, with prices from $1,992 to $3,868, a $1,876 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,868. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7566188827
Dimensions6.37 × 6.41 × 4.00 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.37 mm6.41 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7566188827
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 31
Current: $3,320 SGD|Low: $1,992 SGD|High: $4,920 SGD|Avg: $3,199 SGD|-15.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 30, 2026
Retailer 4$1,992 SGD
Retailer 2$2,325 SGD
Retailer 6$2,554 SGD
Retailer 3$2,995 SGD
Retailer 5$3,021 SGD
Retailer 1$3,320 SGD
Retailer 7$3,576 SGD
Wholesale Diamonds Direct$3,868 SGD

29 data points across 8 retailers

8 retailers$1,992 SGD to $3,868 SGD

A
Cheapest Retailer
-
$1,992 SGD
A
Retailer 2
-
$2,325 SGD
$1,819 USD
View
A
Retailer 3
-
$2,554 SGD
View
A
Retailer 4
-
$2,995 SGD
£1,845 GBP
View
A
Retailer 5
-
$3,021 SGD
$2,363 USD
View
B+
Retailer 6
-
$3,320 SGD
€2,473 EUR
View
B+
Retailer 7
-
$3,576 SGD
$2,797 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
611346686 · Oct 26
$3,868 SGD
$3,026 USD
View
7 more retailers have this diamond
Prices start from $1,992 SGDSave up to $1,876 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
$1,992 SGD