Round|Natural|GIA

1.51ct G FL Round Natural Diamond

EX • G/FL • GIA 2506220512

Certificate GIA 2506220512

Diamond specifications and retailer prices

From $16,492 SGD
As of November 5, 2026
Save $18,023 SGD (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $34,515 SGD at Diamond Quarter · As of November 5, 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 5, 2026, with prices from $16,492 to $34,515, a $18,023 spread on the same certified stone. Diamond Quarter lists it at $34,515. 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
Colour
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 5
Current: $16,492 SGD|Low: $14,467 SGD|High: $23,080 SGD|Avg: $18,456 SGD|+1.2%
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 5, 2026
Retailer 9$14,712 SGD
Retailer 5$15,071 SGD
Retailer 1$16,492 SGD
Retailer 6$16,637 SGD
Retailer 10$17,362 SGD
Retailer 13$17,700 SGD
Retailer 8$18,521 SGD
Retailer 11$19,174 SGD
Retailer 3$19,407 SGD
Retailer 4$19,521 SGD
Retailer 7$20,178 SGD
Retailer 12$22,953 SGD
Retailer 2$23,080 SGD

8 data points across 13 retailers

3 retailers$16,492 SGD to $34,515 SGD

A
Cheapest Retailer
-
$16,492 SGD
A
Retailer 2
-
$16,637 SGD
View
Final sale: no returns
Most Expensive
B
Diamond Quarter
1.51FLG251280B3N · Nov 5
$34,515 SGD
£21,277 GBP
View
2 more retailers have this diamond
Prices start from $16,492 SGDSave up to $18,023 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.

A
1.51ct Round
$16,492 SGD