CaratHunter
Plans
Heart|Natural|GIA

1.58ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 2566131015

Certificate GIA 2566131015

Diamond specifications and retailer prices

From $5,901 NZD
₹316,214 INR
As of November 2, 2026
Save $2,010 NZD (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,911 NZD at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.58ct natural heart diamond

This 1.58ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566131015. Listed at 7 retailers as of November 2, 2026, with prices from $5,901 to $7,911, a $2,010 spread on the same certified stone. GemTrove lists it at $7,911. 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

1.58
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566131015
Dimensions7.34 × 8.00 × 4.53 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Indented Natural, Natural
Top View
7.34 mm8.00 mm1.58 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566131015
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.6%

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 2
Current: $5,901 NZD|Low: $5,876 NZD|High: $7,375 NZD|Avg: $6,465 NZD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 1$5,901 NZD
Retailer 4$6,183 NZD
Retailer 3$6,349 NZD
Retailer 5$6,630 NZD
Retailer 2$6,660 NZD

46 data points across 5 retailers

7 retailers$5,901 NZD to $7,911 NZD

A
Cheapest Retailer
-
$5,901 NZD
₹316,214 INR
A
Retailer 2
-
$6,183 NZD
$3,479 USD
View
A
Retailer 3
-
$6,349 NZD
$3,572 USD
View
Final sale: no returns
A
Retailer 4
-
$6,630 NZD
SGD 5,041 SGD
View
A
Retailer 5
-
$6,660 NZD
£2,951 GBP
View
B+
Retailer 6
-
$7,435 NZD
A$6,436 AUD
View
Most Expensive
B+
GemTrove
GT-N-01270099-98 · Nov 2
$7,911 NZD
A$6,848 AUD
View
6 more retailers have this diamond
Prices start from $5,901 NZDSave up to $2,010 NZD

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
1.58ct Heart
$5,901 NZD