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Emerald|Lab Grown|UNKNOWN

0.51ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • UNKNOWN 45262693

Certificate UNKNOWN 45262693

Diamond specifications and retailer prices

From $260 AUD
$182 USD
As of November 1, 2026
Save $776 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,036 AUD at NZ Jewellers · As of October 31, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 45262693. Listed at 5 retailers as of October 31, 2026, with prices from $260 to $1,036, a $776 spread on the same certified stone. NZ Jewellers lists it at $1,036. 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

0.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 45262693
Dimensions5.44 × 3.80 × 2.51 mm
L/W Ratio1.43
Top View
5.44 mm3.80 mm0.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 45262693
Side View
Table 62.9%CrownGirdlePavilionCuletDepth 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: Nov 1
Current: $1,036 AUD|Low: $250 AUD|High: $1,036 AUD|Avg: $463 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2$260 AUD
Retailer 5$301 AUD
Retailer 3$322 AUD
Retailer 4$569 AUD
NZ Jewellers$1,036 AUD

8 data points across 5 retailers

5 retailers$260 AUD to $1,036 AUD

A
Cheapest Retailer
-
$260 AUD
$182 USD
B+
Retailer 2
-
$301 AUD
$211 USD
View
B+
Retailer 3
-
$322 AUD
$226 USD
View
B
Retailer 4
-
$569 AUD
$399 USD
View
Most Expensive
C
NZ Jewellers
2ee9a139-441c-49e1-ac97-6b6d5e866d4b · Oct 31
$1,036 AUD
$726 USD
View
4 more retailers have this diamond
Prices start from $260 AUDSave up to $776 AUD

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
0.51ct Emerald
$260 AUD