Radiant|Natural|GIA

1.50ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7551892979

Certificate GIA 7551892979

Diamond specifications and retailer prices

From $8,070 USD
As of October 28, 2026
Save $6,155 USD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,225 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct 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 7551892979. Listed at 11 retailers as of October 27, 2026, with prices from $8,070 to $14,225, a $6,155 spread on the same certified stone. NZ Jewellers lists it at $14,225. 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

1.50
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551892979
Dimensions7.99 × 5.68 × 3.76 mm
L/W Ratio1.41
Girdle conditionPolished
Top View
7.99 mm5.68 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551892979
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCuletDepth 66.2%

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 28
Current: $9,421 USD|Low: $7,823 USD|High: $13,490 USD|Avg: $9,956 USD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$8,070 USD
Retailer 8$8,412 USD
Retailer 4$8,534 USD
Retailer 1$9,421 USD
Retailer 5$10,294 USD
Retailer 6$10,668 USD
Retailer 3$10,708 USD
Retailer 2$13,401 USD

40 data points across 8 retailers

11 retailers$8,070 USD to $14,225 USD

B+
Cheapest Retailer
-
$8,070 USD
B+
Retailer 2
-
$8,412 USD
CA$11,683 CAD
View
B+
Retailer 3
-
$8,534 USD
View
Final sale: no returns
B+
Retailer 4
-
$9,246 USD
View
B+
Retailer 5
-
$9,388 USD
View
B+
Retailer 6
-
$9,421 USD
£7,418 GBP
View
B+
Retailer 7
-
$10,294 USD
View
B
Retailer 8
-
$10,668 USD
View
B+
Retailer 9
-
$10,708 USD
€10,198 EUR
View
B
Retailer 10
-
$13,401 USD
£10,552 GBP
View
Most Expensive
B
NZ Jewellers
aec22f1a-bd22-49de-8010-c898d40344e1 · Oct 27
$14,225 USD
View
10 more retailers have this diamond
Prices start from $8,070 USDSave up to $6,155 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.

B+
1.50ct Radiant
$8,070 USD