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Round|Natural|GIA

1.09ct D FL Round Natural Diamond

EX • D/FL • GIA 6535873385

Certificate GIA 6535873385

Diamond specifications and retailer prices

From $10,099 USD
HK$78,900 HKD
As of October 30, 2026
Save $10,148 USD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $20,247 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6535873385. Listed at 15 retailers as of October 30, 2026, with prices from $10,099 to $20,247, a $10,148 spread on the same certified stone. With Clarity lists it at $20,247. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6535873385
Dimensions6.53 × 6.57 × 4.09 mm
L/W Ratio1.01
Top View
6.53 mm6.57 mm1.09 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535873385
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: Oct 30
Current: $12,114 USD|Low: $10,099 USD|High: $20,667 USD|Avg: $13,762 USD|-3.0%
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
With Clarity
November 1, 2026
Retailer 6$10,099 USD
Retailer 2$11,882 USD
Retailer 13$12,026 USD
Retailer 1$12,114 USD
Retailer 9$12,300 USD
Retailer 4$12,887 USD
Retailer 3$12,906 USD
Retailer 5$12,962 USD
Retailer 7$13,879 USD
Retailer 10$13,960 USD
Retailer 8$14,652 USD
Retailer 12$17,046 USD
Retailer 11$18,614 USD
With Clarity$20,247 USD

39 data points across 14 retailers

15 retailers$10,099 USD to $20,247 USD

A
Cheapest Retailer
-
$10,099 USD
HK$78,900 HKD
Retailer 2
-
$11,882 USD
View
Price last confirmed 15 days ago
Retailer 3
-
$12,026 USD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$12,114 USD
£9,539 GBP
View
B+
Retailer 5
-
$12,300 USD
View
Final sale: no returns
Retailer 6
-
$12,887 USD
A$19,827 AUD
View
Price last confirmed 30 days ago
B+
Retailer 7
-
$12,906 USD
SGD 17,440 SGD
View
B+
Retailer 8
-
$13,879 USD
View
B+
Retailer 9
-
$13,960 USD
£10,992 GBP
View
Retailer 10
-
$14,583 USD
View
Price last confirmed 40 days ago
B+
Retailer 11
-
$14,652 USD
€13,954 EUR
View
Retailer 12
-
$17,046 USD
ZAR 275,372 ZAR
View
Price last confirmed 14 days ago
B
Retailer 13
-
$18,614 USD
£14,657 GBP
View
Retailer 14
-
$19,953 USD
View
Price last confirmed 40 days ago
Most Expensive
B
With Clarity
6535873385 · Oct 30
$20,247 USD
View
14 more retailers have this diamond
Prices start from $10,099 USDSave up to $10,148 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
$10,099 USD