Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1555573256

Certificate GIA 1555573256

Diamond specifications and retailer prices

From $7,806 SGD

As of October 31, 2026

Save $10,724 SGD (58%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $18,530 SGD 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 $7,806 to $18,530, a $10,724 spread on the same certified stone. 77 Diamonds lists it at $18,530. 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

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

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 1555573256

Side View

Caratlytics Score

How it works →

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: $18,530 SGD|Low: $7,061 SGD|High: $18,530 SGD|Avg: $10,054 SGD|+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$7,061 SGD

Retailer 6$7,806 SGD

Retailer 7$8,205 SGD

Retailer 8$8,717 SGD

Retailer 17$8,889 SGD

Retailer 9$9,026 SGD

Retailer 3$9,642 SGD

Retailer 15$10,257 SGD

Retailer 13$10,293 SGD

Retailer 5$10,790 SGD

Retailer 4$13,166 SGD

Retailer 12$13,273 SGD

Retailer 2$14,107 SGD

Retailer 16$14,867 SGD

Retailer 10$14,936 SGD

Retailer 11$15,032 SGD

77 Diamonds$18,530 SGD

26 data points across 17 retailers

25 retailers$7,806 SGD to $18,530 SGD

Retailer 1

$6,611 SGD

HK$40,400 HKD

Price last confirmed 12 days ago

Retailer 2

$7,061 SGD

₹525,993 INR

View

Price last confirmed 11 days ago

Retailer 3

$7,401 SGD

$5,789 USD

View

Price last confirmed 18 days ago

Retailer 4

$7,608 SGD

View

Price last confirmed 19 days ago

Retailer 5

$7,806 SGD

View

B+

Retailer 6

$8,115 SGD

$6,348 USD

View

Retailer 7

$8,118 SGD

$6,350 USD

View

Price last confirmed 11 days ago

Retailer 8

$8,205 SGD

$6,418 USD

View

Price last confirmed 17 days ago

Retailer 9

$8,717 SGD

A$10,491 AUD

View

Price last confirmed 29 days ago

Retailer 10

$8,889 SGD

$6,953 USD

View

Price last confirmed 12 days ago

Retailer 11

$9,026 SGD

$7,060 USD

View

Price last confirmed 16 days ago

B+

Retailer 12

$9,056 SGD

A$10,898 AUD

View

Retailer 13

$9,094 SGD

$7,114 USD

View

Price last confirmed 15 days ago

Retailer 14

$9,247 SGD

$7,233 USD

View

Price last confirmed 13 days ago

Retailer 15

$10,257 SGD

$8,023 USD

View

Price last confirmed 12 days ago

Retailer 16

$10,790 SGD

ZAR 136,357 ZAR

View

Price last confirmed 15 days ago

Retailer 17

$11,016 SGD

$8,617 USD

View

Price last confirmed 62 days ago

Retailer 18

$13,166 SGD

£8,109 GBP

View

Price last confirmed 12 days ago

Retailer 19

$13,273 SGD

£8,175 GBP

View

Price last confirmed 11 days ago

Retailer 20

$14,107 SGD

$11,035 USD

View

Retailer 21

$14,867 SGD

$11,629 USD

View

Price last confirmed 12 days ago

Retailer 22

$14,936 SGD

$11,683 USD

View

Retailer 23

$15,032 SGD

$11,759 USD

View

Retailer 24

$15,140 SGD

A$18,220 AUD

View

Most Expensive

77 Diamonds

RADZ3QGUKXE8 · Nov 2

$18,530 SGD

£11,413 GBP

View

24 more retailers have this diamond

Prices start from $7,806 SGDSave up to $10,724 SGD

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.

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