Asscher|Lab Grown|IGI

2.78ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG652428584

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG652428584

Diamond specifications and retailer prices

From €422 EUR
$472 USD
As of October 31, 2026
Save €2,308 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,079 EUR at Rare Carat · As of September 28, 2026
View at Rare Carat

About this 2.78ct lab-grown asscher diamond

This 2.78ct lab-grown asscher sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG652428584 or 652428584. Listed at 17 retailers as of October 31, 2026, with a 546% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.78
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652428584
Dimensions7.66 × 7.39 × 5.13 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm7.39 mm2.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652428584
Side View
Table 64.0%Crown 32.8°Girdle: Slightly ThickPavilion 39.8°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
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 31
Current: €3,079 EUR|Low: €284 EUR|High: €3,894 EUR|Avg: €1,181 EUR
Rare Carat
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
November 1, 2026
Retailer 6€422 EUR
Retailer 9€423 EUR
Retailer 16€468 EUR
Retailer 14€516 EUR
Retailer 12€575 EUR
Retailer 5€600 EUR
Retailer 13€731 EUR
Retailer 3€739 EUR
Retailer 2€772 EUR
Retailer 10€1,041 EUR
Retailer 7€1,488 EUR
Retailer 8€1,535 EUR
Retailer 4€1,702 EUR
Retailer 15€1,730 EUR
Retailer 11€2,730 EUR
Rare Carat€3,079 EUR

34 data points across 16 retailers

17 retailers€422 EUR to €2,730 EUR

A
Cheapest Retailer
-
€422 EUR
$472 USD
Final sale: no returns
A
Retailer 2
-
€423 EUR
$473 USD
View
Retailer 3
-
€468 EUR
$523 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€516 EUR
HK$4,500 HKD
View
A
Retailer 5
-
€575 EUR
£506 GBP
View
A
Retailer 6
-
€600 EUR
$670 USD
View
A
Retailer 7
-
€731 EUR
View
B+
Retailer 8
-
€739 EUR
$826 USD
View
B+
Retailer 9
-
€772 EUR
£679 GBP
View
B+
Retailer 10
-
€1,041 EUR
$1,163 USD
View
B
Retailer 11
-
€1,247 EUR
£1,097 GBP
View
B
Retailer 12
-
€1,488 EUR
SGD 2,247 SGD
View
B
Retailer 13
-
€1,535 EUR
$1,715 USD
View
B
Retailer 14
-
€1,702 EUR
$1,902 USD
View
B
Retailer 15
-
€1,730 EUR
£1,522 GBP
View
B
Retailer 16
-
€2,730 EUR
$3,050 USD
View
Most Expensive
Rare Carat
665844285AS652 · Sep 28
€3,079 EUR
$3,440 USD
View
Price last confirmed 33 days ago
16 more retailers have this diamond
Prices start from €422 EURSave up to €2,308 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 Asscher
€422 EUR