Heart|Natural|GIA

1.74ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5201790017

Certificate GIA 5201790017

Diamond specifications and retailer prices

From $4,848 USD
As of October 31, 2026
Save $1,979 USD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,827 USD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.74ct natural heart diamond

This 1.74ct natural heart sits in the one-and-a-half to two carat band, graded H 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 5201790017. Listed at 4 retailers as of October 31, 2026, with prices from $4,848 to $6,827, a $1,979 spread on the same certified stone. 77 Diamonds lists it at $6,827. 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

1.74
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5201790017
Dimensions6.81 × 6.58 × 4.45 mm
L/W Ratio1.03
Top View
6.81 mm6.58 mm1.74 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5201790017
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

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: Oct 31
Current: $6,827 USD|Low: $4,798 USD|High: $6,994 USD|Avg: $6,020 USD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$4,848 USD
Retailer 3$5,433 USD
77 Diamonds$6,827 USD
Retailer 4$6,994 USD

33 data points across 4 retailers

4 retailers$4,848 USD to $6,827 USD

A
Cheapest Retailer
-
$4,848 USD
B+
Retailer 2
-
$5,117 USD
View
B+
Retailer 3
-
$5,243 USD
View
Most Expensive
B
77 Diamonds
CUSMBJBEXCFHT · Nov 2
$6,827 USD
£5,376 GBP
View
3 more retailers have this diamond
Prices start from $4,848 USDSave up to $1,979 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
1.74ct Heart
$4,848 USD