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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG818644617

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644617

Diamond specifications and retailer prices

From €259 EUR
$289 USD
As of October 29, 2026
Save €1,844 EUR (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,103 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644617 or 818644617. Listed at 24 retailers as of October 27, 2026, with prices from €259 to €2,103, a €1,844 spread on the same certified stone. Queensmith lists it at €2,103. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644617
Dimensions6.99 × 7.04 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.99 mm7.04 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644617
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

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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: €509 EUR|Low: €248 EUR|High: €1,638 EUR|Avg: €675 EUR|-1.0%
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
Retailer 14
November 1, 2026
Retailer 3€259 EUR
Retailer 4€289 EUR
Retailer 6€320 EUR
Retailer 5€431 EUR
Retailer 12€461 EUR
Retailer 1€509 EUR
Retailer 8€516 EUR
Retailer 11€551 EUR
Retailer 7€561 EUR
Retailer 10€783 EUR
Retailer 2€825 EUR
Retailer 14€1,217 EUR
Retailer 13€1,287 EUR
Retailer 9€1,432 EUR

34 data points across 14 retailers

24 retailers€259 EUR to €2,103 EUR

A
Cheapest Retailer
-
€259 EUR
$289 USD
A
Retailer 2
-
€289 EUR
$323 USD
View
Final sale: no returns
A
Retailer 3
-
€300 EUR
$335 USD
View
A
Retailer 4
-
€320 EUR
$358 USD
View
A
Retailer 5
-
€320 EUR
$358 USD
View
A
Retailer 6
-
€355 EUR
HK$3,100 HKD
View
A
Retailer 7
-
€431 EUR
$482 USD
View
A
Retailer 8
-
€461 EUR
$515 USD
View
A
Retailer 9
-
€509 EUR
£448 GBP
View
A
Retailer 10
-
€516 EUR
View
A
Retailer 11
-
€551 EUR
ZAR 9,946 ZAR
View
A
Retailer 12
-
€561 EUR
£494 GBP
View
A
Retailer 13
-
€722 EUR
$807 USD
View
B+
Retailer 14
-
€783 EUR
A$1,345 AUD
View
B+
Retailer 15
-
€825 EUR
$922 USD
View
B+
Retailer 16
-
€1,031 EUR
SGD 1,556 SGD
View
B+
Retailer 17
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€1,031 EUR
$1,152 USD
View
B+
Retailer 18
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€1,075 EUR
$1,201 USD
View
B+
Retailer 19
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€1,142 EUR
$1,276 USD
View
Retailer 20
-
€1,217 EUR
$1,360 USD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
€1,287 EUR
£1,132 GBP
View
B
Retailer 22
-
€1,322 EUR
$1,477 USD
View
B+
Retailer 23
-
€1,432 EUR
$1,600 USD
View
Most Expensive
B
Queensmith
LG818644617 · Oct 27
€2,103 EUR
£1,850 GBP
View
23 more retailers have this diamond
Prices start from €259 EURSave up to €1,844 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
€259 EUR