CaratHunter
Plans
Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 1567578478

Certificate GIA 1567578478

Diamond specifications and retailer prices

From $1,911 USD
As of November 5, 2026
Save $1,783 USD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,694 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567578478. Listed at 10 retailers as of November 4, 2026, with prices from $1,911 to $3,694, a $1,783 spread on the same certified stone. MOH London lists it at $3,694. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1567578478
Dimensions5.52 × 5.47 × 3.62 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Pinpoint, Indented Natural
Top View
5.52 mm5.47 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1567578478
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NDepth 66.2%

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 5
Current: $3,694 USD|Low: $1,911 USD|High: $3,725 USD|Avg: $2,395 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 10$1,911 USD
Retailer 4$2,051 USD
Retailer 7$2,055 USD
Retailer 9$2,140 USD
Retailer 3$2,258 USD
Retailer 2$2,297 USD
Retailer 8$2,332 USD
Retailer 6$2,581 USD
Retailer 5$2,689 USD
MOH London$3,694 USD

16 data points across 10 retailers

10 retailers$1,911 USD to $3,694 USD

A
Cheapest Retailer
-
$1,911 USD
A
Retailer 2
-
$2,051 USD
View
A
Retailer 3
-
$2,055 USD
View
A
Retailer 4
-
$2,140 USD
View
A
Retailer 5
-
$2,258 USD
View
A
Retailer 6
-
$2,297 USD
View
A
Retailer 7
-
$2,332 USD
View
A
Retailer 8
-
$2,581 USD
View
B+
Retailer 9
-
$2,689 USD
View
Most Expensive
B+
MOH London
456773F2E · Nov 4
$3,694 USD
£2,909 GBP
View
9 more retailers have this diamond
Prices start from $1,911 USDSave up to $1,783 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
1.00ct Radiant
$1,911 USD