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 $472 USD
As of October 31, 2026
Save $2,578 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,440 USD 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 30, 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,440 USD|Low: $317 USD|High: $4,350 USD|Avg: $1,320 USD
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
October 31, 2026
Retailer 6$472 USD
Retailer 9$473 USD
Retailer 16$523 USD
Retailer 14$576 USD
Retailer 12$643 USD
Retailer 5$670 USD
Retailer 13$817 USD
Retailer 3$826 USD
Retailer 2$862 USD
Retailer 10$1,163 USD
Retailer 7$1,663 USD
Retailer 8$1,715 USD
Retailer 4$1,902 USD
Retailer 15$1,933 USD
Retailer 11$3,050 USD
Rare Carat$3,440 USD

33 data points across 16 retailers

17 retailers$472 USD to $3,050 USD

A
Cheapest Retailer
-
$472 USD
Final sale: no returns
A
Retailer 2
-
$473 USD
View
Retailer 3
-
$523 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$576 USD
HK$4,500 HKD
View
A
Retailer 5
-
$643 USD
£506 GBP
View
A
Retailer 6
-
$670 USD
View
A
Retailer 7
-
$817 USD
€778 EUR
View
B+
Retailer 8
-
$826 USD
View
B+
Retailer 9
-
$862 USD
£679 GBP
View
B+
Retailer 10
-
$1,163 USD
View
B
Retailer 11
-
$1,393 USD
£1,097 GBP
View
B
Retailer 12
-
$1,663 USD
SGD 2,247 SGD
View
B
Retailer 13
-
$1,715 USD
View
B
Retailer 14
-
$1,902 USD
View
B
Retailer 15
-
$1,933 USD
£1,522 GBP
View
B
Retailer 16
-
$3,050 USD
View
Most Expensive
Rare Carat
665844285AS652 · Sep 28
$3,440 USD
View
Price last confirmed 33 days ago
16 more retailers have this diamond
Prices start from $472 USDSave up to $2,578 USD

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
$472 USD