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Round|Natural|GIA

1.40ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6512044653

Shape and cutting style on the report: Round brilliant

Certificate GIA 6512044653

Diamond specifications and retailer prices

From $6,906 SGD
As of November 4, 2026
Save $7,715 SGD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $14,621 SGD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512044653. Listed at 23 retailers as of November 4, 2026, with a 112% 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

1.40
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6512044653
Dimensions7.15 × 7.10 × 4.44 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.15 mm7.10 mm1.40 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512044653
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: $8,246 SGD|Low: $7,310 SGD|High: $13,034 SGD|Avg: $9,578 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$7,310 SGD
Retailer 2$7,668 SGD
Retailer 6$7,919 SGD
Retailer 1$8,246 SGD
Retailer 3$9,478 SGD
Retailer 5$12,588 SGD
Retailer 4$12,843 SGD

36 data points across 7 retailers

23 retailers$6,906 SGD to $14,621 SGD

A
Cheapest Retailer
-
$6,906 SGD
A
Retailer 2
-
$7,053 SGD
View
B+
Retailer 3
-
$7,310 SGD
View
Final sale: no returns
B+
Retailer 4
-
$7,668 SGD
View
B+
Retailer 5
-
$7,806 SGD
View
Retailer 6
-
$7,919 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$7,919 SGD
View
Price last confirmed 29 days ago
Retailer 8
-
$7,919 SGD
View
Price last confirmed 38 days ago
Retailer 9
-
$7,919 SGD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$8,246 SGD
View
B+
Retailer 11
-
$8,468 SGD
View
B+
Retailer 12
-
$8,468 SGD
View
B+
Retailer 13
-
$8,762 SGD
View
Retailer 14
-
$9,138 SGD
View
Price last confirmed 28 days ago
Retailer 15
-
$9,138 SGD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$9,138 SGD
View
B+
Retailer 17
-
$9,478 SGD
View
Retailer 18
-
$9,636 SGD
View
Price last confirmed 22 days ago
Retailer 19
-
$12,588 SGD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$12,843 SGD
View
B
Retailer 21
-
$14,621 SGD
View
Retailer 22
-
$14,621 SGD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
749ecdc6-131d-45a6-9b48-f41e9b20c43d · Oct 20
$14,621 SGD
$11,447 USD
View
Price last confirmed 16 days ago
22 more retailers have this diamond
Prices start from $6,906 SGDSave up to $7,715 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
1.40ct Round
$6,906 SGD