Round|Natural|GIA

1.03ct D FL Round Natural Diamond

EX • D/FL • GIA 2554979408

Certificate GIA 2554979408

Diamond specifications and retailer prices

From $11,163 USD
As of October 30, 2026
Save $2,421 USD (18%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,339 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct natural round diamond

This 1.03ct 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 2554979408. Listed at 10 retailers as of October 29, 2026, with a relatively tight 22% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2554979408
Dimensions6.53 × 6.55 × 3.96 mm
L/W Ratio1.00
Top View
6.53 mm6.55 mm1.03 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554979408
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $17,339 USD|Low: $10,416 USD|High: $17,455 USD|Avg: $12,501 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$10,416 USD
Retailer 10$10,844 USD
Retailer 11$10,845 USD
Retailer 5$11,163 USD
Retailer 8$11,711 USD
Retailer 2$11,854 USD
Retailer 7$12,005 USD
Retailer 3$13,149 USD
Retailer 6$13,462 USD
Retailer 4$13,584 USD
MOH London$17,339 USD

23 data points across 11 retailers

10 retailers$11,163 USD to $13,584 USD

Retailer 1
-
$10,416 USD
Price last confirmed 7 days ago
Retailer 2
-
$10,845 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$11,163 USD
View
B+
Retailer 4
-
$11,711 USD
View
B+
Retailer 5
-
$11,854 USD
View
Retailer 6
-
$12,005 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$13,149 USD
View
Retailer 8
-
$13,462 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$13,584 USD
View
Most Expensive
MOH London
13DDD33C1 · Oct 29
$17,339 USD
£13,653 GBP
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $11,163 USDSave up to $2,421 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
1.03ct Round
$11,163 USD