Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG838619572

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838619572

Diamond specifications and retailer prices

From €298 EUR
$333 USD
As of October 29, 2026
Save €2,360 EUR (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,658 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838619572 or 838619572. Listed at 20 retailers as of October 29, 2026, with prices from €298 to €2,658, a €2,360 spread on the same certified stone. Brilliant Earth lists it at €2,658. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619572
Dimensions7.28 × 7.31 × 4.54 mm
L/W Ratio1.00
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
7.28 mm7.31 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619572
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

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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 29
Current: €2,658 EUR|Low: €298 EUR|High: €3,446 EUR|Avg: €799 EUR|-16.6%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
Retailer 20
November 1, 2026
Retailer 20€298 EUR
Retailer 5€333 EUR
Retailer 19€346 EUR
Retailer 15€370 EUR
Retailer 9€375 EUR
Retailer 12€412 EUR
Retailer 2€474 EUR
Retailer 7€497 EUR
Retailer 16€497 EUR
Retailer 14€599 EUR
Retailer 3€600 EUR
Retailer 6€636 EUR
Retailer 13€661 EUR
Retailer 4€863 EUR
Retailer 18€1,086 EUR
Retailer 8€1,182 EUR
Retailer 17€1,190 EUR
Retailer 11€1,310 EUR
Retailer 10€1,505 EUR
Brilliant Earth€2,658 EUR

21 data points across 20 retailers

20 retailers€298 EUR to €2,658 EUR

A+
Cheapest Retailer
-
€298 EUR
$333 USD
A
Retailer 2
-
€333 EUR
$372 USD
View
Final sale: no returns
A
Retailer 3
-
€346 EUR
$387 USD
View
A
Retailer 4
-
€370 EUR
$413 USD
View
A
Retailer 5
-
€375 EUR
$419 USD
View
A
Retailer 6
-
€412 EUR
HK$3,600 HKD
View
A
Retailer 7
-
€474 EUR
£417 GBP
View
A
Retailer 8
-
€497 EUR
$555 USD
View
A
Retailer 9
-
€497 EUR
$555 USD
View
A
Retailer 10
-
€599 EUR
View
A
Retailer 11
-
€600 EUR
$670 USD
View
A
Retailer 12
-
€636 EUR
ZAR 11,478 ZAR
View
A
Retailer 13
-
€661 EUR
£582 GBP
View
A
Retailer 14
-
€863 EUR
A$1,483 AUD
View
B+
Retailer 15
-
€1,086 EUR
$1,213 USD
View
B+
Retailer 16
-
€1,182 EUR
SGD 1,784 SGD
View
B+
Retailer 17
-
€1,190 EUR
$1,329 USD
View
B+
Retailer 18
-
€1,310 EUR
$1,464 USD
View
B+
Retailer 19
-
€1,505 EUR
£1,324 GBP
View
Most Expensive
B
Brilliant Earth
21621094A · Oct 31
€2,658 EUR
$2,970 USD
View
19 more retailers have this diamond
Prices start from €298 EURSave up to €2,360 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+
1.51ct Round
€298 EUR