Emerald|Natural|GIA

1.51ct H SI1 Emerald Natural Diamond

ID • H/SI1 • GIA 3565704129

Certificate GIA 3565704129

Diamond specifications and retailer prices

From $3,445 USD
As of October 31, 2026
Save $2,728 USD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,173 USD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald 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 3565704129. Listed at 9 retailers as of October 31, 2026, with prices from $3,445 to $6,173, a $2,728 spread on the same certified stone. Helzberg Diamonds lists it at $6,173. 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

1.51
Carat
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3565704129
Dimensions7.72 × 5.42 × 3.64 mm
L/W Ratio1.42
Top View
7.72 mm5.42 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3565704129
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,173 USD|Low: $3,445 USD|High: $6,173 USD|Avg: $4,123 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$3,445 USD
Retailer 7$3,501 USD
Retailer 6$3,682 USD
Retailer 9$3,763 USD
Retailer 2$4,016 USD
Retailer 5$4,258 USD
Retailer 8$4,425 USD
Retailer 3$5,810 USD
Helzberg Diamonds$6,173 USD

4 data points across 9 retailers

9 retailers$3,445 USD to $6,173 USD

A
Cheapest Retailer
-
$3,445 USD
A
Retailer 2
-
$3,501 USD
View
A
Retailer 3
-
$3,682 USD
View
A
Retailer 4
-
$3,763 USD
SGD 5,085 SGD
View
A
Retailer 5
-
$4,016 USD
£3,162 GBP
View
A
Retailer 6
-
$4,258 USD
View
A
Retailer 7
-
$4,425 USD
View
B+
Retailer 8
-
$5,810 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRJLMLNGKHIP · Nov 1
$6,173 USD
View
8 more retailers have this diamond
Prices start from $3,445 USDSave up to $2,728 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
1.51ct Emerald
$3,445 USD