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1.51ct G FL Round Natural Diamond

EX • G/FL • GIA 2506220512

Certificate GIA 2506220512

Diamond specifications and retailer prices

From $18,018 CAD
SGD 17,423 SGD
As of November 3, 2026
Save $19,746 CAD (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $37,764 CAD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2506220512. Listed at 3 retailers as of November 2, 2026, with prices from $18,018 to $37,764, a $19,746 spread on the same certified stone. Diamond Quarter lists it at $37,764. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2506220512
Dimensions7.35 × 7.30 × 4.49 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
7.35 mm7.30 mm1.51 ctG / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506220512
Side View
Table 60.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.3%

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: Nov 3
Current: $18,018 CAD|Low: $15,828 CAD|High: $25,252 CAD|Avg: $20,182 CAD|+1.0%
Retailer 1
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 3, 2026
Retailer 9$16,097 CAD
Retailer 5$16,490 CAD
Retailer 1$18,018 CAD
Retailer 6$18,202 CAD
Retailer 10$18,996 CAD
Retailer 13$19,365 CAD
Retailer 8$20,264 CAD
Retailer 11$20,979 CAD
Retailer 3$21,235 CAD
Retailer 4$21,359 CAD
Retailer 7$22,077 CAD
Retailer 12$25,113 CAD
Retailer 2$25,252 CAD

7 data points across 13 retailers

3 retailers$18,018 CAD to $37,764 CAD

A
Cheapest Retailer
-
$18,018 CAD
SGD 17,423 SGD
A
Retailer 2
-
$18,202 CAD
$13,025 USD
View
Final sale: no returns
Most Expensive
B
Diamond Quarter
1.51FLG251280B3N · Nov 2
$37,764 CAD
£21,277 GBP
View
2 more retailers have this diamond
Prices start from $18,018 CADSave up to $19,746 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
1.51ct Round
$18,018 CAD