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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG720540510

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720540510

Diamond specifications and retailer prices

From €196 EUR
$219 USD
As of October 29, 2026
Save €1,850 EUR (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,046 EUR 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 LG720540510 or 720540510. Listed at 23 retailers as of October 27, 2026, with prices from €196 to €2,046, a €1,850 spread on the same certified stone. Queensmith lists it at €2,046. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540510
Dimensions6.90 × 6.94 × 4.32 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
6.90 mm6.94 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540510
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €450 EUR|Low: €219 EUR|High: €2,238 EUR|Avg: €624 EUR|-13.5%
Retailer 1
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Retailer 19
October 30, 2026
Retailer 4€219 EUR
Retailer 9€227 EUR
Retailer 18€275 EUR
Retailer 5€327 EUR
Retailer 13€417 EUR
Retailer 11€434 EUR
Retailer 12€443 EUR
Retailer 1€450 EUR
Retailer 3€462 EUR
Retailer 14€593 EUR
Retailer 17€632 EUR
Retailer 2€645 EUR
Retailer 10€786 EUR
Retailer 19€828 EUR
Retailer 7€835 EUR
Retailer 15€974 EUR
Retailer 16€1,083 EUR
Retailer 6€1,122 EUR
Retailer 8€1,504 EUR

38 data points across 19 retailers

23 retailers€196 EUR to €2,046 EUR

A
Cheapest Retailer
-
€196 EUR
$219 USD
A
Retailer 2
-
€219 EUR
$245 USD
View
Final sale: no returns
A
Retailer 3
-
€227 EUR
$254 USD
View
A
Retailer 4
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€243 EUR
$271 USD
View
A
Retailer 5
-
€243 EUR
$271 USD
View
A
Retailer 6
-
€275 EUR
HK$2,400 HKD
View
B+
Retailer 7
-
€327 EUR
$365 USD
View
A
Retailer 8
-
€417 EUR
ZAR 7,532 ZAR
View
A
Retailer 9
-
€443 EUR
View
A
Retailer 10
-
€450 EUR
£396 GBP
View
A
Retailer 11
-
€462 EUR
$516 USD
View
A
Retailer 12
-
€593 EUR
A$1,020 AUD
View
A
Retailer 13
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€632 EUR
$706 USD
View
A
Retailer 14
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€645 EUR
$721 USD
View
A
Retailer 15
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€781 EUR
$872 USD
View
B+
Retailer 16
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€786 EUR
SGD 1,186 SGD
View
B+
Retailer 17
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€828 EUR
$925 USD
View
B+
Retailer 18
-
€835 EUR
$933 USD
View
B+
Retailer 19
-
€974 EUR
£857 GBP
View
Retailer 20
-
€1,083 EUR
$1,210 USD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
€1,122 EUR
$1,254 USD
View
B+
Retailer 22
-
€1,504 EUR
$1,680 USD
View
Most Expensive
B
Queensmith
LG720540510 · Oct 27
€2,046 EUR
£1,800 GBP
View
22 more retailers have this diamond
Prices start from €196 EURSave up to €1,850 EUR

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
€196 EUR