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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1555573256

Certificate GIA 1555573256

Diamond specifications and retailer prices

From $8,529 CAD
SGD 8,251 SGD
As of October 31, 2026
Save $11,550 CAD (58%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $20,079 CAD at 77 Diamonds · As of November 1, 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 26 retailers as of October 31, 2026, with prices from $8,529 to $20,079, a $11,550 spread on the same certified stone. 77 Diamonds lists it at $20,079. 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
Color
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

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: Oct 31
Current: $20,079 CAD|Low: $7,715 CAD|High: $20,079 CAD|Avg: $10,901 CAD|+114.2%
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 1, 2026
Retailer 14$7,715 CAD
Retailer 6$8,529 CAD
Retailer 7$8,965 CAD
Retailer 8$9,525 CAD
Retailer 17$9,713 CAD
Retailer 9$9,862 CAD
Retailer 3$10,536 CAD
Retailer 15$11,207 CAD
Retailer 13$11,247 CAD
Retailer 5$11,791 CAD
Retailer 4$14,386 CAD
Retailer 12$14,503 CAD
Retailer 2$15,415 CAD
Retailer 16$16,245 CAD
Retailer 10$16,320 CAD
Retailer 11$16,425 CAD
77 Diamonds$20,079 CAD

25 data points across 17 retailers

26 retailers$8,529 CAD to $20,079 CAD

Retailer 1
-
$7,224 CAD
HK$40,400 HKD
Price last confirmed 12 days ago
Retailer 2
-
$7,715 CAD
₹525,993 INR
View
Price last confirmed 11 days ago
Retailer 3
-
$8,087 CAD
$5,789 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$8,313 CAD
SGD 8,042 SGD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$8,529 CAD
SGD 8,251 SGD
View
B+
Retailer 6
-
$8,868 CAD
$6,348 USD
View
Retailer 7
-
$8,870 CAD
$6,350 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$8,965 CAD
$6,418 USD
View
Price last confirmed 16 days ago
Retailer 9
-
$9,263 CAD
£5,221 GBP
View
Price last confirmed 32 days ago
Retailer 10
-
$9,525 CAD
A$10,491 AUD
View
Price last confirmed 28 days ago
Retailer 11
-
$9,713 CAD
$6,953 USD
View
Price last confirmed 12 days ago
Retailer 12
-
$9,862 CAD
$7,060 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
$9,895 CAD
A$10,898 AUD
View
Retailer 14
-
$9,937 CAD
$7,114 USD
View
Price last confirmed 14 days ago
Retailer 15
-
$10,104 CAD
$7,233 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$11,207 CAD
$8,023 USD
View
Price last confirmed 11 days ago
Retailer 17
-
$11,791 CAD
ZAR 136,357 ZAR
View
Price last confirmed 15 days ago
Retailer 18
-
$12,037 CAD
$8,617 USD
View
Price last confirmed 61 days ago
Retailer 19
-
$14,386 CAD
£8,109 GBP
View
Price last confirmed 11 days ago
Retailer 20
-
$14,503 CAD
£8,175 GBP
View
Price last confirmed 10 days ago
B
Retailer 21
-
$15,415 CAD
$11,035 USD
View
Retailer 22
-
$16,245 CAD
$11,629 USD
View
Price last confirmed 11 days ago
B
Retailer 23
-
$16,320 CAD
$11,683 USD
View
B
Retailer 24
-
$16,425 CAD
$11,759 USD
View
B
Retailer 25
-
$16,544 CAD
A$18,220 AUD
View
Most Expensive
C
77 Diamonds
RADZ3QGUKXE8 · Nov 1
$20,079 CAD
£11,318 GBP
View
25 more retailers have this diamond
Prices start from $8,529 CADSave up to $11,550 CAD

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
$8,529 CAD