Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1555573256

Certificate GIA 1555573256

Diamond specifications and retailer prices

From €5,444 EUR
SGD 8,251 SGD
As of October 31, 2026
Save €7,479 EUR (58%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €12,923 EUR at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555573256. Listed at 25 retailers as of October 31, 2026, with prices from €5,444 to €12,923, a €7,479 spread on the same certified stone. 77 Diamonds lists it at €12,923. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555573256
Dimensions7.66 × 5.72 × 3.86 mm
L/W Ratio1.34
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.66 mm5.72 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555573256
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

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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 31
Current: €12,923 EUR|Low: €4,924 EUR|High: €12,923 EUR|Avg: €7,012 EUR|+116.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 14€4,924 EUR
Retailer 6€5,444 EUR
Retailer 7€5,722 EUR
Retailer 8€6,080 EUR
Retailer 17€6,199 EUR
Retailer 9€6,295 EUR
Retailer 3€6,724 EUR
Retailer 15€7,153 EUR
Retailer 13€7,179 EUR
Retailer 5€7,525 EUR
Retailer 4€9,182 EUR
Retailer 12€9,257 EUR
Retailer 2€9,839 EUR
Retailer 16€10,368 EUR
Retailer 10€10,416 EUR
Retailer 11€10,484 EUR
77 Diamonds€12,923 EUR

26 data points across 17 retailers

25 retailers€5,444 EUR to €12,923 EUR

Retailer 1
-
€4,611 EUR
HK$40,400 HKD
Price last confirmed 13 days ago
Retailer 2
-
€4,924 EUR
₹525,993 INR
View
Price last confirmed 12 days ago
Retailer 3
-
€5,161 EUR
$5,789 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€5,306 EUR
SGD 8,042 SGD
View
Price last confirmed 19 days ago
A
Retailer 5
-
€5,444 EUR
SGD 8,251 SGD
View
B+
Retailer 6
-
€5,660 EUR
$6,348 USD
View
Retailer 7
-
€5,662 EUR
$6,350 USD
View
Price last confirmed 12 days ago
Retailer 8
-
€5,722 EUR
$6,418 USD
View
Price last confirmed 17 days ago
Retailer 9
-
€6,080 EUR
A$10,491 AUD
View
Price last confirmed 29 days ago
Retailer 10
-
€6,199 EUR
$6,953 USD
View
Price last confirmed 13 days ago
Retailer 11
-
€6,295 EUR
$7,060 USD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
€6,316 EUR
A$10,898 AUD
View
Retailer 13
-
€6,342 EUR
$7,114 USD
View
Price last confirmed 15 days ago
Retailer 14
-
€6,449 EUR
$7,233 USD
View
Price last confirmed 13 days ago
Retailer 15
-
€7,153 EUR
$8,023 USD
View
Price last confirmed 12 days ago
Retailer 16
-
€7,525 EUR
ZAR 136,357 ZAR
View
Price last confirmed 16 days ago
Retailer 17
-
€7,683 EUR
$8,617 USD
View
Price last confirmed 62 days ago
Retailer 18
-
€9,182 EUR
£8,109 GBP
View
Price last confirmed 12 days ago
Retailer 19
-
€9,257 EUR
£8,175 GBP
View
Price last confirmed 11 days ago
B
Retailer 20
-
€9,839 EUR
$11,035 USD
View
Retailer 21
-
€10,368 EUR
$11,629 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
€10,416 EUR
$11,683 USD
View
B
Retailer 23
-
€10,484 EUR
$11,759 USD
View
B
Retailer 24
-
€10,559 EUR
A$18,220 AUD
View
Most Expensive
C
77 Diamonds
RADZ3QGUKXE8 · Nov 2
€12,923 EUR
£11,413 GBP
View
24 more retailers have this diamond
Prices start from €5,444 EURSave up to €7,479 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.

A
1.50ct Radiant
€5,444 EUR