Emerald|Natural|GIA

0.40ct G SI1 Emerald Natural Diamond

EX • G/SI1 • GIA 1508906347

Certificate GIA 1508906347

Diamond specifications and retailer prices

From $243 USD
HK$1,900 HKD
As of October 30, 2026
Save $500 USD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,226 USD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.4ct natural emerald diamond

This 0.4ct natural emerald sits in the sub-half-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 1508906347. Listed at 16 retailers as of October 29, 2026, with a 205% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.40
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1508906347
Dimensions5.15 × 3.49 × 2.31 mm
L/W Ratio1.48
Girdle conditionPolished
Key to symbols
Feather
Top View
5.15 mm3.49 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1508906347
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.2%

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 30
Current: $412 USD|Low: $243 USD|High: $748 USD|Avg: $459 USD|+7.1%
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
October 31, 2026
Retailer 9$243 USD
Retailer 5$337 USD
Retailer 4$345 USD
Retailer 12$369 USD
Retailer 1$412 USD
Retailer 3$431 USD
Retailer 2$464 USD
Retailer 13$488 USD
Retailer 6$496 USD
Retailer 11$512 USD
Retailer 10$540 USD
Retailer 8$600 USD
Retailer 7$743 USD

44 data points across 13 retailers

16 retailers$243 USD to $743 USD

A
Cheapest Retailer
-
$243 USD
HK$1,900 HKD
Retailer 2
-
$320 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$337 USD
SGD 455 SGD
View
Retailer 4
-
$345 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$357 USD
View
Price last confirmed 31 days ago
B+
Retailer 6
-
$369 USD
View
B+
Retailer 7
-
$412 USD
£324 GBP
View
Retailer 8
-
$431 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$464 USD
View
B
Retailer 10
-
$488 USD
View
B+
Retailer 11
-
$496 USD
ZAR 8,013 ZAR
View
Retailer 12
-
$512 USD
A$788 AUD
View
Price last confirmed 27 days ago
B
Retailer 13
-
$540 USD
View
B
Retailer 14
-
$600 USD
€571 EUR
View
B
Retailer 15
-
$743 USD
£585 GBP
View
Most Expensive
NZ Jewellers
1c56b9f1-80c8-40fa-bd81-04f9d2b403f9 · Sep 30
$1,226 USD
View
Price under review
15 more retailers have this diamond
Prices start from $243 USDSave up to $500 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
0.40ct Emerald
$243 USD