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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG842605479

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842605479

Diamond specifications and retailer prices

From €335 EUR
$374 USD
As of October 30, 2026
Save €1,232 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,566 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG842605479 or 842605479. Listed at 15 retailers as of October 30, 2026, with prices from €335 to €1,566, a €1,232 spread on the same certified stone. Brilliant Earth lists it at €1,566. 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 angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605479
Dimensions6.96 × 6.99 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.96 mm6.99 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842605479
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: €1,566 EUR|Low: €335 EUR|High: €2,354 EUR|Avg: €869 EUR|-19.7%
Brilliant Earth
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
Retailer 15
October 31, 2026
Retailer 14€335 EUR
Retailer 8€371 EUR
Retailer 7€412 EUR
Retailer 15€499 EUR
Retailer 5€501 EUR
Retailer 11€591 EUR
Retailer 2€599 EUR
Retailer 13€638 EUR
Retailer 9€664 EUR
Retailer 12€902 EUR
Retailer 10€1,089 EUR
Retailer 4€1,187 EUR
Retailer 3€1,244 EUR
Retailer 6€1,495 EUR
Brilliant Earth€1,566 EUR

21 data points across 15 retailers

15 retailers€335 EUR to €1,566 EUR

A+
Cheapest Retailer
-
€335 EUR
$374 USD
Final sale: no returns
A
Retailer 2
-
€371 EUR
$415 USD
View
A
Retailer 3
-
€412 EUR
HK$3,600 HKD
View
A
Retailer 4
-
€499 EUR
$558 USD
View
A
Retailer 5
-
€501 EUR
$560 USD
View
A
Retailer 6
-
€591 EUR
£520 GBP
View
A
Retailer 7
-
€599 EUR
View
A
Retailer 8
-
€638 EUR
ZAR 11,521 ZAR
View
A
Retailer 9
-
€664 EUR
£584 GBP
View
B+
Retailer 10
-
€902 EUR
A$1,551 AUD
View
B+
Retailer 11
-
€1,089 EUR
$1,217 USD
View
B+
Retailer 12
-
€1,187 EUR
SGD 1,792 SGD
View
B+
Retailer 13
-
€1,244 EUR
$1,390 USD
View
B+
Retailer 14
-
€1,495 EUR
£1,315 GBP
View
Most Expensive
B
Brilliant Earth
21710952A · Oct 31
€1,566 EUR
$1,750 USD
View
14 more retailers have this diamond
Prices start from €335 EURSave up to €1,232 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
€335 EUR