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Oval|Lab Grown|GIA

3.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • GIA 6512376301

Certificate GIA 6512376301

Diamond specifications and retailer prices

From £548 GBP
$730 USD
As of October 26, 2026
Save £1,239 GBP (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,787 GBP at NZ Jewellers · As of October 25, 2026
View at NZ Jewellers

About this 3ct lab-grown oval diamond

This 3ct lab-grown oval 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 6512376301. Listed at 4 retailers as of October 25, 2026, with prices from £548 to £1,787, a £1,239 spread on the same certified stone. NZ Jewellers lists it at £1,787. 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

3.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6512376301
Dimensions11.28 × 8.20 × 5.17 mm
L/W Ratio1.38
Top View
11.28 mm8.20 mm3.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512376301
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.0%

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 26
Current: £1,787 GBP|Low: £526 GBP|High: £3,635 GBP|Avg: £1,483 GBP|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 20, 2026
Retailer 4£548 GBP
Retailer 2£596 GBP
Retailer 3£636 GBP
NZ Jewellers£1,787 GBP
Retailer 5£3,635 GBP

10 data points across 5 retailers

4 retailers£548 GBP to £1,787 GBP

A
Cheapest Retailer
-
£548 GBP
$730 USD
A
Retailer 2
-
£596 GBP
$794 USD
View
A
Retailer 3
-
£636 GBP
$847 USD
View
Most Expensive
B
NZ Jewellers
f7c8cd3c-3020-4e93-bff4-649a42aa4220 · Oct 25
£1,787 GBP
$2,380 USD
View
3 more retailers have this diamond
Prices start from £548 GBPSave up to £1,239 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.

A
3.00ct Oval
£548 GBP