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Emerald|Lab Grown|GIA

3.18ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1

Diamond specifications and retailer prices

From HK$9,510 HKD
£954 GBP
As of October 30, 2026
Save HK$12,882 HKD (58%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$22,392 HKD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 3.18ct lab-grown emerald diamond

This 3.18ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of October 29, 2026, with prices from HK$9,510 to HK$22,392, a HK$12,882 spread on the same certified stone. Blue Nile lists it at HK$22,392. 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

3.18
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions10.02 × 6.95 × 0.00 mm
L/W Ratio1.44
Top View
10.02 mm6.95 mm3.18 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$22,392 HKD|Low: HK$5,429 HKD|High: HK$24,879 HKD|Avg: HK$12,814 HKD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3HK$5,429 HKD
Retailer 5HK$6,159 HKD
Retailer 7HK$7,171 HKD
Retailer 2HK$9,510 HKD
Retailer 6HK$19,711 HKD
Retailer 4HK$20,367 HKD
Blue NileHK$22,392 HKD

21 data points across 7 retailers

2 retailersHK$9,510 HKD to HK$22,392 HKD

B+
Cheapest Retailer
-
HK$9,510 HKD
£954 GBP
Most Expensive
B
Blue Nile
22372834 · Oct 29
HK$22,392 HKD
$2,854 USD
View
1 more retailer has this diamond
Prices start from HK$9,510 HKDSave up to HK$12,882 HKD

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+
3.18ct Emerald
HK$9,510 HKD