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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1568555069

Certificate GIA 1568555069

Diamond specifications and retailer prices

From $4,851 USD
₹461,992 INR
As of October 31, 2026
Save $13,990 USD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,841 USD at Cape Diamonds · As of October 31, 2026
View at Cape 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 1568555069. Listed at 14 retailers as of October 31, 2026, with prices from $4,851 to $18,841, a $13,990 spread on the same certified stone. Cape Diamonds lists it at $18,841. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1568555069
Dimensions7.60 × 5.57 × 3.90 mm
L/W Ratio1.36
Culet sizeNone
Top View
7.60 mm5.57 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568555069
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
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: $18,841 USD|Low: $4,850 USD|High: $18,841 USD|Avg: $9,498 USD|+141.5%
Cape 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
November 2, 2026
Retailer 3$4,851 USD
Retailer 5$5,365 USD
Retailer 6$6,610 USD
Retailer 8$12,976 USD
Retailer 12$13,080 USD
Retailer 13$13,565 USD
Retailer 7$13,689 USD
Retailer 11$13,895 USD
Retailer 2$14,450 USD
Retailer 9$15,051 USD
Retailer 10$15,336 USD
Retailer 4$15,926 USD
Cape Diamonds$18,841 USD

10 data points across 13 retailers

14 retailers$4,851 USD to $18,841 USD

A
Cheapest Retailer
-
$4,851 USD
₹461,992 INR
A
Retailer 2
-
$5,269 USD
A$8,106 AUD
View
A
Retailer 3
-
$5,365 USD
View
A
Retailer 4
-
$6,610 USD
€6,295 EUR
View
B
Retailer 5
-
$12,976 USD
View
B
Retailer 6
-
$13,080 USD
View
B
Retailer 7
-
$13,565 USD
View
Final sale: no returns
B
Retailer 8
-
$13,689 USD
£10,779 GBP
View
B
Retailer 9
-
$13,895 USD
View
B
Retailer 10
-
$14,450 USD
£11,378 GBP
View
B
Retailer 11
-
$15,051 USD
View
B
Retailer 12
-
$15,336 USD
View
B
Retailer 13
-
$15,926 USD
View
Most Expensive
B
Cape Diamonds
cert_1568555069 · Oct 31
$18,841 USD
ZAR 304,384 ZAR
View
13 more retailers have this diamond
Prices start from $4,851 USDSave up to $13,990 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
1.50ct Radiant
$4,851 USD