Emerald|Lab Grown|UNKNOWN

0.51ct G VS2 Emerald Lab Grown Diamond

ID • G/VS2 • UNKNOWN 616644661

Certificate UNKNOWN 616644661

Diamond specifications and retailer prices

From £262 GBP
$351 USD
As of October 29, 2026
Save £260 GBP (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,046 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 616644661. Listed at 5 retailers as of October 29, 2026, with a 99% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 616644661
Dimensions5.77 × 3.75 × 2.49 mm
L/W Ratio1.54
Top View
5.77 mm3.75 mm0.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 616644661
Side View
Table 63.6%CrownGirdlePavilionCuletDepth 66.5%

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 29
Current: £1,046 GBP|Low: £252 GBP|High: £1,046 GBP|Avg: £457 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2£262 GBP
Retailer 5£305 GBP
Retailer 3£325 GBP
Retailer 4£522 GBP
NZ Jewellers£1,046 GBP

8 data points across 5 retailers

5 retailers£262 GBP to £522 GBP

B+
Cheapest Retailer
-
£262 GBP
$351 USD
B
Retailer 2
-
£305 GBP
$408 USD
View
B
Retailer 3
-
£325 GBP
$436 USD
View
C
Retailer 4
-
£522 GBP
$699 USD
View
Most Expensive
NZ Jewellers
84a72da5-c7aa-4d33-80c4-2656735df42c · Oct 28
£1,046 GBP
$1,401 USD
View
Price under review
4 more retailers have this diamond
Prices start from £262 GBPSave up to £260 GBP

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+
0.51ct Emerald
£262 GBP