Round|Lab Grown|IGI

0.29ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG668454896

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668454896

Diamond specifications and retailer prices

From £66 GBP
$88 USD
As of October 29, 2026
Save £242 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £308 GBP at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 0.29ct lab-grown round diamond

This 0.29ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668454896 or 668454896. Listed at 11 retailers as of October 29, 2026, with prices from £66 to £308, a £242 spread on the same certified stone. Taylor and Hart lists it at £308. 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

0.29
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668454896
Dimensions4.32 × 4.35 × 2.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.32 mm4.35 mm0.29 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG668454896
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.2%

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: Oct 29
Current: £157 GBP|Low: £35 GBP|High: £507 GBP|Avg: £200 GBP|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 25, 2026
Retailer 2£35 GBP
Retailer 7£66 GBP
Retailer 13£77 GBP
Retailer 9£87 GBP
Retailer 10£87 GBP
Retailer 8£116 GBP
Retailer 6£150 GBP
Retailer 1£157 GBP
Retailer 4£236 GBP
Retailer 12£264 GBP
Retailer 11£306 GBP
Taylor and Hart£308 GBP
Retailer 5£330 GBP
Retailer 3£507 GBP

18 data points across 14 retailers

11 retailers£66 GBP to £308 GBP

A
Cheapest Retailer
-
£66 GBP
$88 USD
B+
Retailer 2
-
£77 GBP
$102 USD
View
B+
Retailer 3
-
£87 GBP
$116 USD
View
B+
Retailer 4
-
£87 GBP
$116 USD
View
B
Retailer 5
-
£116 GBP
$155 USD
View
Retailer 6
-
£150 GBP
$200 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£157 GBP
€199 EUR
View
B
Retailer 8
-
£236 GBP
SGD 425 SGD
View
B
Retailer 9
-
£264 GBP
$351 USD
View
B
Retailer 10
-
£306 GBP
$408 USD
View
Most Expensive
B
Taylor and Hart
FKLYU7R · Oct 29
£308 GBP
$410 USD
View
10 more retailers have this diamond
Prices start from £66 GBPSave up to £242 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
0.29ct Round
£66 GBP