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Emerald|Lab Grown|GIA

4.21ct G VS2 Emerald Lab Grown Diamond

VG • G/VS2 • GIA 7478089824

Certificate GIA 7478089824

Diamond specifications and retailer prices

From $4,170 NZD
$2,350 USD
As of October 28, 2026
Save $3,744 NZD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,913 NZD at Zales · As of October 30, 2026
View at Zales

About this 4.21ct lab-grown emerald diamond

This 4.21ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7478089824. Listed at 4 retailers as of October 28, 2026, with prices from $4,170 to $7,913, a $3,744 spread on the same certified stone. Zales lists it at $7,913. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.21
Carat
G
Colour
VS2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7478089824
Dimensions11.34 × 7.73 × 4.89 mm
L/W Ratio1.47
Top View
11.34 mm7.73 mm4.21 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7478089824
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.3%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $4,170 NZD|Low: $4,170 NZD|High: $10,841 NZD|Avg: $7,483 NZD|-61.5%
Retailer 1
Retailer 2
Retailer 3
Zales
October 28, 2026
Retailer 1$4,170 NZD
Retailer 2$6,600 NZD
Retailer 3$7,913 NZD
Zales$7,913 NZD

2 data points across 4 retailers

4 retailers$4,170 NZD to $7,913 NZD

B+
Cheapest Retailer
-
$4,170 NZD
$2,350 USD
B
Retailer 2
-
$6,600 NZD
$3,720 USD
View
B
Retailer 3
-
$7,913 NZD
$4,460 USD
View
Most Expensive
B
Zales
517792518 · Oct 30
$7,913 NZD
$4,460 USD
View
3 more retailers have this diamond
Prices start from $4,170 NZDSave up to $3,744 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.

B+
4.21ct Emerald
$4,170 NZD