Radiant|Natural|GIA

1.51ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7521758243

Certificate GIA 7521758243

Diamond specifications and retailer prices

From €7,234 EUR
$8,082 USD
As of October 30, 2026
Save €2,755 EUR (28%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €9,989 EUR at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E 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 7521758243. Listed at 14 retailers as of October 30, 2026, with prices from €7,234 to €9,989, a €2,755 spread on the same certified stone. 77 Diamonds lists it at €9,989. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.82°
Pavilion angle30.53°
OriginNatural
Grading LabGIA
CertificateGIA 7521758243
Dimensions7.47 × 5.67 × 3.84 mm
L/W Ratio1.32
Girdle conditionThick
Key to symbols
Crystal, Cloud, Needle
Top View
7.47 mm5.67 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521758243
Side View
Table 67.0%Crown 44.82°Girdle: STK-THKPavilion 30.53°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €9,989 EUR|Low: €7,137 EUR|High: €10,039 EUR|Avg: €8,925 EUR|+1.7%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5€7,234 EUR
Retailer 3€8,204 EUR
Retailer 4€9,065 EUR
Retailer 2€9,492 EUR
Retailer 6€9,895 EUR
77 Diamonds€9,989 EUR

37 data points across 6 retailers

14 retailers€7,234 EUR to €9,989 EUR

B+
Cheapest Retailer
-
€7,234 EUR
$8,082 USD
B+
Retailer 2
-
€7,529 EUR
$8,412 USD
View
B+
Retailer 3
-
€7,626 EUR
A$13,107 AUD
View
B+
Retailer 4
-
€7,798 EUR
$8,712 USD
View
B+
Retailer 5
-
€8,115 EUR
$9,066 USD
View
B+
Retailer 6
-
€8,204 EUR
$9,166 USD
View
Final sale: no returns
B+
Retailer 7
-
€9,065 EUR
$10,128 USD
View
B
Retailer 8
-
€9,492 EUR
$10,605 USD
View
Retailer 9
-
€9,492 EUR
$10,605 USD
View
Price last confirmed 16 days ago
B
Retailer 10
-
€9,595 EUR
$10,720 USD
View
B
Retailer 11
-
€9,595 EUR
$10,720 USD
View
B
Retailer 12
-
€9,895 EUR
$11,054 USD
View
B
Retailer 13
-
€9,918 EUR
$11,080 USD
View
Most Expensive
B
77 Diamonds
RADZHFUHPAGP · Oct 30
€9,989 EUR
£8,787 GBP
View
13 more retailers have this diamond
Prices start from €7,234 EURSave up to €2,755 EUR

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.

B+
1.51ct Radiant
€7,234 EUR