CaratHunter
Plans
Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6565439499

Certificate GIA 6565439499

Diamond specifications and retailer prices

From $2,910 SGD
As of November 4, 2026
Save $5,169 SGD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,079 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565439499. Listed at 21 retailers as of November 4, 2026, with prices from $2,910 to $8,079, a $5,169 spread on the same certified stone. NZ Jewellers lists it at $8,079. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565439499
Dimensions6.40 × 6.37 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.40 mm6.37 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565439499
Side View
Table 55.0%Crown 36°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 62.8%

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 4
Current: $4,045 SGD|Low: $2,910 SGD|High: $6,496 SGD|Avg: $3,924 SGD
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 6, 2026
Retailer 4$2,910 SGD
Retailer 11$2,919 SGD
Retailer 5$3,197 SGD
Retailer 12$3,324 SGD
Retailer 13$3,353 SGD
Retailer 8$3,495 SGD
Retailer 9$3,695 SGD
Retailer 3$3,711 SGD
Retailer 6$4,008 SGD
Retailer 1$4,045 SGD
Retailer 7$4,273 SGD
Retailer 10$4,477 SGD
Retailer 2$6,462 SGD

22 data points across 13 retailers

21 retailers$2,910 SGD to $8,079 SGD

A
Cheapest Retailer
-
$2,910 SGD
A
Retailer 2
-
$2,919 SGD
View
Retailer 3
-
$3,197 SGD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$3,274 SGD
View
A
Retailer 5
-
$3,324 SGD
View
A
Retailer 6
-
$3,353 SGD
View
A
Retailer 7
-
$3,401 SGD
View
A
Retailer 8
-
$3,495 SGD
View
A
Retailer 9
-
$3,566 SGD
View
Final sale: no returns
A
Retailer 10
-
$3,695 SGD
View
A
Retailer 11
-
$3,711 SGD
View
A
Retailer 12
-
$3,864 SGD
View
A
Retailer 13
-
$4,008 SGD
View
B+
Retailer 14
-
$4,013 SGD
View
Retailer 15
-
$4,045 SGD
View
B+
Retailer 16
-
$4,273 SGD
View
B+
Retailer 17
-
$4,459 SGD
View
B+
Retailer 18
-
$4,477 SGD
View
B+
Retailer 19
-
$5,625 SGD
View
B
Retailer 20
-
$6,462 SGD
View
Most Expensive
B
NZ Jewellers
7a2dbb6a-4cc8-405f-9168-08fa7d082c80 · Nov 5
$8,079 SGD
$6,325 USD
View
20 more retailers have this diamond
Prices start from $2,910 SGDSave up to $5,169 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
$2,910 SGD