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Round|Lab Grown|IGI

2.78ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG762545352

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762545352

Diamond specifications and retailer prices

From €1,039 EUR
$1,161 USD
As of November 1, 2026
Save €5,540 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,579 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545352 or 762545352. Listed at 17 retailers as of October 31, 2026, with prices from €1,039 to €6,579, a €5,540 spread on the same certified stone. Brilliant Earth lists it at €6,579. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545352
Dimensions9.10 × 9.14 × 5.47 mm
L/W Ratio1.00
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
9.10 mm9.14 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545352
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

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: Nov 1
Current: €6,579 EUR|Low: €1,039 EUR|High: €8,244 EUR|Avg: €2,881 EUR|-20.2%
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
November 1, 2026
Retailer 4€1,039 EUR
Retailer 12€1,302 EUR
Retailer 2€1,321 EUR
Retailer 9€1,343 EUR
Retailer 7€1,380 EUR
Retailer 5€1,619 EUR
Retailer 6€2,212 EUR
Retailer 8€2,226 EUR
Retailer 14€2,643 EUR
Retailer 10€3,252 EUR
Retailer 11€3,654 EUR
Retailer 13€4,663 EUR
Retailer 3€6,347 EUR
Brilliant Earth€6,579 EUR

42 data points across 14 retailers

17 retailers€1,039 EUR to €6,579 EUR

A
Cheapest Retailer
-
€1,039 EUR
$1,161 USD
A
Retailer 2
-
€1,123 EUR
HK$9,800 HKD
View
A
Retailer 3
-
€1,302 EUR
$1,455 USD
View
Retailer 4
-
€1,309 EUR
£1,152 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
€1,321 EUR
£1,162 GBP
View
A
Retailer 6
-
€1,343 EUR
A$2,308 AUD
View
A
Retailer 7
-
€1,380 EUR
View
A
Retailer 8
-
€1,619 EUR
$1,809 USD
View
B+
Retailer 9
-
€2,212 EUR
$2,471 USD
View
B+
Retailer 10
-
€2,226 EUR
ZAR 40,182 ZAR
View
B+
Retailer 11
-
€2,643 EUR
$2,953 USD
View
B+
Retailer 12
-
€3,081 EUR
$3,442 USD
View
B+
Retailer 13
-
€3,252 EUR
£2,861 GBP
View
Retailer 14
-
€3,654 EUR
A$6,281 AUD
View
Price last confirmed 23 days ago
Retailer 15
-
€4,663 EUR
$5,210 USD
View
Price last confirmed 17 days ago
B
Retailer 16
-
€6,347 EUR
$7,091 USD
View
Most Expensive
B
Brilliant Earth
19080341Y · Oct 31
€6,579 EUR
$7,350 USD
View
16 more retailers have this diamond
Prices start from €1,039 EURSave up to €5,540 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
2.78ct Round
€1,039 EUR