CaratHunter
Plans
Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG783659904

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783659904

Diamond specifications and retailer prices

From €321 EUR
$359 USD
As of October 29, 2026
Save €1,451 EUR (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,772 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 LG783659904 or 783659904. Listed at 25 retailers as of October 29, 2026, with prices from €321 to €1,772, a €1,451 spread on the same certified stone. Brilliant Earth lists it at €1,772. 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 angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783659904
Dimensions6.95 × 7.00 × 4.29 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
6.95 mm7.00 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783659904
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

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: €1,772 EUR|Low: €317 EUR|High: €2,354 EUR|Avg: €955 EUR|-24.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 31, 2026
Retailer 17€321 EUR
Retailer 12€360 EUR
Retailer 7€372 EUR
Retailer 4€398 EUR
Retailer 11€398 EUR
Retailer 24€533 EUR
Retailer 14€535 EUR
Retailer 9€618 EUR
Retailer 2€641 EUR
Retailer 21€662 EUR
Retailer 22€685 EUR
Retailer 18€716 EUR
Retailer 5€744 EUR
Retailer 19€968 EUR
Retailer 3€995 EUR
Retailer 13€1,114 EUR
Retailer 23€1,253 EUR
Retailer 16€1,270 EUR
Retailer 6€1,281 EUR
Retailer 10€1,317 EUR
Retailer 15€1,523 EUR
Retailer 20€1,565 EUR
Retailer 8€1,569 EUR
Brilliant Earth€1,772 EUR

28 data points across 24 retailers

25 retailers€321 EUR to €1,772 EUR

A
Cheapest Retailer
-
€321 EUR
$359 USD
A
Retailer 2
-
€360 EUR
$402 USD
View
Final sale: no returns
A
Retailer 3
-
€372 EUR
$416 USD
View
A
Retailer 4
-
€398 EUR
$445 USD
View
A
Retailer 5
-
€398 EUR
$445 USD
View
A
Retailer 6
-
€533 EUR
$595 USD
View
A
Retailer 7
-
€535 EUR
$598 USD
View
A
Retailer 8
-
€618 EUR
$690 USD
View
A
Retailer 9
-
€641 EUR
View
A
Retailer 10
-
€662 EUR
A$1,138 AUD
View
A
Retailer 11
-
€685 EUR
ZAR 12,359 ZAR
View
A
Retailer 12
-
€716 EUR
£630 GBP
View
A
Retailer 13
-
€744 EUR
$831 USD
View
B+
Retailer 14
-
€968 EUR
A$1,663 AUD
View
B+
Retailer 15
-
€995 EUR
$1,112 USD
View
B+
Retailer 16
-
€1,114 EUR
A$1,914 AUD
View
Retailer 17
-
€1,200 EUR
$1,341 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
€1,253 EUR
$1,400 USD
View
B+
Retailer 19
-
€1,270 EUR
SGD 1,917 SGD
View
B+
Retailer 20
-
€1,281 EUR
$1,431 USD
View
B+
Retailer 21
-
€1,317 EUR
$1,472 USD
View
B+
Retailer 22
-
€1,523 EUR
$1,701 USD
View
B+
Retailer 23
-
€1,565 EUR
£1,377 GBP
View
B+
Retailer 24
-
€1,569 EUR
$1,753 USD
View
Most Expensive
B
Brilliant Earth
18278646A · Oct 31
€1,772 EUR
$1,980 USD
View
24 more retailers have this diamond
Prices start from €321 EURSave up to €1,451 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
€321 EUR