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Round|Natural|GIA

1.00ct I IF Round Natural Diamond

EX • I/IF • GIA 6401630896

Certificate GIA 6401630896

Diamond specifications and retailer prices

From $2,929 SGD
HK$17,900 HKD
As of November 1, 2026
Save $3,922 SGD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,851 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6401630896. Listed at 20 retailers as of October 30, 2026, with prices from $2,929 to $6,851, a $3,922 spread on the same certified stone. NZ Jewellers lists it at $6,851. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6401630896
Dimensions6.41 × 6.38 × 3.89 mm
L/W Ratio1.00
Top View
6.41 mm6.38 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6401630896
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.9%

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: $2,956 SGD|Low: $2,835 SGD|High: $6,655 SGD|Avg: $4,049 SGD|-1.7%
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
November 1, 2026
Retailer 8$2,929 SGD
Retailer 1$2,956 SGD
Retailer 2$3,449 SGD
Retailer 12$3,599 SGD
Retailer 3$3,628 SGD
Retailer 13$3,829 SGD
Retailer 5$4,083 SGD
Retailer 6$4,084 SGD
Retailer 4$4,201 SGD
Retailer 9$4,330 SGD
Retailer 11$4,522 SGD
Retailer 7$4,833 SGD
Retailer 10$6,585 SGD

35 data points across 13 retailers

20 retailers$2,929 SGD to $6,851 SGD

A
Cheapest Retailer
-
$2,929 SGD
HK$17,900 HKD
A
Retailer 2
-
$2,956 SGD
₹220,216 INR
View
A
Retailer 3
-
$3,449 SGD
$2,698 USD
View
A
Retailer 4
-
$3,521 SGD
$2,754 USD
View
A
Retailer 5
-
$3,599 SGD
$2,815 USD
View
A
Retailer 6
-
$3,628 SGD
$2,838 USD
View
Final sale: no returns
A
Retailer 7
-
$3,829 SGD
$2,995 USD
View
A
Retailer 8
-
$3,932 SGD
$3,076 USD
View
A
Retailer 9
-
$3,932 SGD
$3,076 USD
View
A
Retailer 10
-
$4,076 SGD
View
A
Retailer 11
-
$4,083 SGD
$3,194 USD
View
A
Retailer 12
-
$4,084 SGD
£2,515 GBP
View
Retailer 13
-
$4,201 SGD
A$5,055 AUD
View
Price last confirmed 25 days ago
A
Retailer 14
-
$4,330 SGD
€3,226 EUR
View
A
Retailer 15
-
$4,422 SGD
$3,459 USD
View
A
Retailer 16
-
$4,522 SGD
£2,785 GBP
View
A
Retailer 17
-
$4,537 SGD
$3,549 USD
View
A
Retailer 18
-
$4,833 SGD
ZAR 61,076 ZAR
View
B+
Retailer 19
-
$6,585 SGD
£4,056 GBP
View
Most Expensive
B
NZ Jewellers
0844a118-9c39-4725-ad46-3cbc2e120629 · Oct 30
$6,851 SGD
$5,359 USD
View
19 more retailers have this diamond
Prices start from $2,929 SGDSave up to $3,922 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
$2,929 SGD