Round|Natural|GIA

1.09ct E IF Round Natural Diamond

EX • E/IF • GIA 6501177019

Certificate GIA 6501177019

Diamond specifications and retailer prices

From $6,002 USD
SGD 8,111 SGD
As of October 28, 2026
Save $7,415 USD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $13,418 USD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6501177019. Listed at 8 retailers as of October 28, 2026, with prices from $6,002 to $13,418, a $7,415 spread on the same certified stone. Diamond Quarter lists it at $13,418. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6501177019
Dimensions6.59 × 6.55 × 4.06 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.59 mm6.55 mm1.09 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6501177019
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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 28
Current: $7,480 USD|Low: $6,002 USD|High: $8,435 USD|Avg: $7,177 USD|-9.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$6,002 USD
Retailer 4$6,234 USD
Retailer 3$6,440 USD
Retailer 6$6,565 USD
Retailer 5$7,282 USD
Retailer 1$7,480 USD
Retailer 7$8,321 USD

46 data points across 7 retailers

8 retailers$6,002 USD to $13,418 USD

A
Cheapest Retailer
-
$6,002 USD
SGD 8,111 SGD
A
Retailer 2
-
$6,234 USD
View
A+
Retailer 3
-
$6,440 USD
£5,071 GBP
View
A
Retailer 4
-
$6,565 USD
MYR 26,741 MYR
View
A
Retailer 5
-
$7,282 USD
View
A
Retailer 6
-
$7,480 USD
A$11,507 AUD
View
A
Retailer 7
-
$8,321 USD
SGD 11,245 SGD
View
Most Expensive
B
Diamond Quarter
1.09IFE65196568KG · Oct 28
$13,418 USD
£10,565 GBP
View
7 more retailers have this diamond
Prices start from $6,002 USDSave up to $7,415 USD

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+
1.09ct Round
$6,002 USD