Round|Natural|GIA

1.02ct D FL Round Natural Diamond

EX • D/FL • GIA 2556430120

Certificate GIA 2556430120

Diamond specifications and retailer prices

From $10,086 USD
HK$78,800 HKD
As of October 30, 2026
Save $10,149 USD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,235 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.02ct natural round diamond

This 1.02ct 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 2556430120. Listed at 13 retailers as of October 30, 2026, with prices from $10,086 to $20,235, a $10,149 spread on the same certified stone. With Clarity lists it at $20,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556430120
Dimensions6.42 × 6.39 × 4.02 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.42 mm6.39 mm1.02 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556430120
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°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: Oct 30
Current: $12,498 USD|Low: $10,086 USD|High: $19,830 USD|Avg: $14,250 USD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 28, 2026
Retailer 6$10,086 USD
Retailer 4$12,124 USD
Retailer 10$12,222 USD
Retailer 9$12,274 USD
Retailer 1$12,498 USD
Retailer 11$12,773 USD
Retailer 3$13,789 USD
Retailer 8$13,929 USD
Retailer 5$14,541 USD
Retailer 2$16,855 USD
Retailer 7$18,147 USD
With Clarity$19,830 USD

39 data points across 12 retailers

13 retailers$10,086 USD to $20,235 USD

A
Cheapest Retailer
-
$10,086 USD
HK$78,800 HKD
B+
Retailer 2
-
$12,124 USD
£9,546 GBP
View
B+
Retailer 3
-
$12,222 USD
SGD 16,516 SGD
View
B+
Retailer 4
-
$12,274 USD
View
Final sale: no returns
B+
Retailer 5
-
$12,498 USD
£9,841 GBP
View
Retailer 6
-
$12,773 USD
A$19,651 AUD
View
Price last confirmed 30 days ago
Retailer 7
-
$13,789 USD
View
Price last confirmed 30 days ago
Retailer 8
-
$13,797 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$13,929 USD
£10,968 GBP
View
B+
Retailer 10
-
$14,541 USD
€13,849 EUR
View
Retailer 11
-
$16,855 USD
ZAR 272,301 ZAR
View
Price last confirmed 35 days ago
B
Retailer 12
-
$18,147 USD
£14,289 GBP
View
Most Expensive
B
With Clarity
2556430120 · Oct 30
$20,235 USD
View
12 more retailers have this diamond
Prices start from $10,086 USDSave up to $10,149 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
1.02ct Round
$10,086 USD