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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG841697065

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841697065

Diamond specifications and retailer prices

From £155 GBP
$207 USD
As of October 29, 2026
Save £1,561 GBP (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,717 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841697065 or 841697065. Listed at 21 retailers as of October 27, 2026, with prices from £155 to £1,717, a £1,561 spread on the same certified stone. Queensmith lists it at £1,717. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841697065
Dimensions7.02 × 6.99 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
7.02 mm6.99 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841697065
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.0%

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 29
Current: £1,717 GBP|Low: £146 GBP|High: £1,717 GBP|Avg: £536 GBP
Queensmith
Retailer 2
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Retailer 21
October 30, 2026
Retailer 7£155 GBP
Retailer 9£173 GBP
Retailer 10£180 GBP
Retailer 4£192 GBP
Retailer 19£192 GBP
Retailer 16£313 GBP
Retailer 13£325 GBP
Retailer 20£326 GBP
Retailer 6£332 GBP
Retailer 2£354 GBP
Retailer 3£378 GBP
Retailer 17£471 GBP
Retailer 8£538 GBP
Retailer 5£619 GBP
Retailer 21£621 GBP
Retailer 11£659 GBP
Retailer 15£725 GBP
Retailer 18£772 GBP
Retailer 12£912 GBP
Retailer 14£1,262 GBP
Queensmith£1,717 GBP

24 data points across 21 retailers

21 retailers£155 GBP to £1,717 GBP

A
Cheapest Retailer
-
£155 GBP
$207 USD
A
Retailer 2
-
£173 GBP
$231 USD
View
Final sale: no returns
A
Retailer 3
-
£180 GBP
$240 USD
View
A
Retailer 4
-
£192 GBP
$256 USD
View
A
Retailer 5
-
£192 GBP
$256 USD
View
A
Retailer 6
-
£313 GBP
View
A
Retailer 7
-
£325 GBP
€412 EUR
View
Retailer 8
-
£326 GBP
ZAR 7,005 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
£332 GBP
$442 USD
View
A
Retailer 10
-
£354 GBP
View
A
Retailer 11
-
£378 GBP
$503 USD
View
A
Retailer 12
-
£471 GBP
A$964 AUD
View
A
Retailer 13
-
£538 GBP
$717 USD
View
A
Retailer 14
-
£619 GBP
$824 USD
View
B+
Retailer 15
-
£621 GBP
$827 USD
View
B+
Retailer 16
-
£659 GBP
$878 USD
View
B+
Retailer 17
-
£725 GBP
A$1,485 AUD
View
B+
Retailer 18
-
£772 GBP
View
Retailer 19
-
£912 GBP
$1,215 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
£1,262 GBP
$1,680 USD
View
Most Expensive
B
Queensmith
LG841697065 · Oct 27
£1,717 GBP
View
20 more retailers have this diamond
Prices start from £155 GBPSave up to £1,561 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
1.29ct Round
£155 GBP