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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 3415071791

Certificate GIA 3415071791

Diamond specifications and retailer prices

From $12,705 SGD
$9,934 USD
As of November 1, 2026
Save $10,140 SGD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $22,845 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart 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 3415071791. Listed at 20 retailers as of October 30, 2026, with prices from $12,705 to $22,845, a $10,140 spread on the same certified stone. NZ Jewellers lists it at $22,845. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3415071791
Dimensions6.97 × 7.93 × 4.47 mm
L/W Ratio1.14
Top View
6.97 mm7.93 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3415071791
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 56.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,815 SGD|Low: $11,423 SGD|High: $21,665 SGD|Avg: $16,150 SGD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$13,707 SGD
Retailer 7$13,707 SGD
Retailer 8$13,821 SGD
Retailer 1$14,815 SGD
Retailer 4$14,895 SGD
Retailer 6$15,078 SGD
Retailer 9$18,032 SGD
Retailer 3$20,137 SGD
Retailer 2$21,407 SGD

44 data points across 9 retailers

20 retailers$12,705 SGD to $22,845 SGD

B
Cheapest Retailer
-
$12,705 SGD
$9,934 USD
B
Retailer 2
-
$12,717 SGD
$9,944 USD
View
B
Retailer 3
-
$13,105 SGD
CA$14,232 CAD
View
B
Retailer 4
-
$13,537 SGD
$10,585 USD
View
B
Retailer 5
-
$13,707 SGD
$10,718 USD
View
B
Retailer 6
-
$13,707 SGD
$10,718 USD
View
Final sale: no returns
B
Retailer 7
-
$13,821 SGD
$10,807 USD
View
B
Retailer 8
-
$14,815 SGD
£9,121 GBP
View
B
Retailer 9
-
$14,849 SGD
$11,611 USD
View
Retailer 10
-
$14,895 SGD
A$17,918 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$15,078 SGD
$11,790 USD
View
B
Retailer 12
-
$15,842 SGD
$12,387 USD
View
B
Retailer 13
-
$16,012 SGD
$12,520 USD
View
B
Retailer 14
-
$16,012 SGD
$12,520 USD
View
B
Retailer 15
-
$16,536 SGD
$12,930 USD
View
B
Retailer 16
-
$17,133 SGD
$13,397 USD
View
Retailer 17
-
$18,032 SGD
$14,100 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$20,137 SGD
ZAR 254,375 ZAR
View
B
Retailer 19
-
$21,407 SGD
£13,180 GBP
View
Most Expensive
B
NZ Jewellers
480885d3-ccc0-4dfd-93b7-f9f9dbf2a36d · Oct 30
$22,845 SGD
$17,863 USD
View
19 more retailers have this diamond
Prices start from $12,705 SGDSave up to $10,140 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.

B
1.50ct Heart
$12,705 SGD