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Round|Natural|GIA

1.00ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6233588302

Certificate GIA 6233588302

Diamond specifications and retailer prices

From $3,498 SGD
$2,736 USD
As of November 1, 2026
Save $567 SGD (14%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,032 SGD at NZ Jewellers · As of September 27, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6233588302. Listed at 11 retailers as of October 28, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6233588302
Dimensions6.47 × 6.42 × 3.93 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.47 mm6.42 mm1.00 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6233588302
Side View
Table 59.0%Crown 34°Girdle: ThickPavilion 41°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,937 SGD|Low: $3,044 SGD|High: $6,199 SGD|Avg: $4,098 SGD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 12, 2026
Retailer 9$3,044 SGD
Retailer 7$3,274 SGD
Retailer 4$3,498 SGD
Retailer 11$3,520 SGD
Retailer 1$3,937 SGD
Retailer 8$3,937 SGD
Retailer 6$4,065 SGD
Retailer 2$4,226 SGD
Retailer 10$4,525 SGD
Retailer 5$4,699 SGD
Retailer 3$6,199 SGD

11 data points across 11 retailers

11 retailers$3,498 SGD to $4,065 SGD

Retailer 1
-
$3,274 SGD
$2,561 USD
Price last confirmed 27 days ago
B+
Retailer 2
-
$3,498 SGD
$2,736 USD
View
Retailer 3
-
$3,520 SGD
$2,754 USD
View
Price last confirmed 97 days ago
Retailer 4
-
$3,656 SGD
$2,860 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$3,656 SGD
$2,860 USD
View
Price last confirmed 24 days ago
Retailer 6
-
$3,797 SGD
$2,970 USD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
$3,937 SGD
$3,080 USD
View
B+
Retailer 8
-
$3,937 SGD
$3,080 USD
View
B
Retailer 9
-
$4,065 SGD
$3,180 USD
View
Retailer 10
-
$4,219 SGD
$3,300 USD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
d3b0eec9-011a-47f2-9d05-2bf35a0e4168 · Sep 27
$7,032 SGD
$5,501 USD
View
Price last confirmed 35 days ago
10 more retailers have this diamond
Prices start from $3,498 SGDSave up to $567 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.

B+
1.00ct Round
$3,498 SGD