Round|Lab Grown|IGI

2.78ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG792628337

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792628337

Diamond specifications and retailer prices

From $1,732 NZD
$976 USD
As of October 29, 2026
Save $13,634 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,365 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792628337 or 792628337. Listed at 11 retailers as of October 29, 2026, with prices from $1,732 to $15,365, a $13,634 spread on the same certified stone. Do Amore Diamonds lists it at $15,365. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792628337
Dimensions9.08 × 9.03 × 5.44 mm
L/W Ratio1.01
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
9.08 mm9.03 mm2.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792628337
Side View
Table 59.0%Crown 33.6°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 60.1%

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: $15,365 NZD|Low: $1,698 NZD|High: $19,571 NZD|Avg: $5,793 NZD|-13.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6$1,732 NZD
Retailer 10$1,884 NZD
Retailer 3$2,378 NZD
Retailer 8$3,213 NZD
Retailer 2$3,220 NZD
Retailer 9$4,155 NZD
Retailer 5$4,328 NZD
Retailer 4$4,898 NZD
Retailer 11$5,548 NZD
Retailer 7$7,558 NZD
Retailer 12$10,468 NZD
Do Amore Diamonds$15,365 NZD

34 data points across 12 retailers

11 retailers$1,732 NZD to $15,365 NZD

A
Cheapest Retailer
-
$1,732 NZD
$976 USD
A
Retailer 2
-
$1,884 NZD
$1,062 USD
View
A
Retailer 3
-
$2,378 NZD
$1,340 USD
View
Final sale: no returns
A
Retailer 4
-
$3,213 NZD
$1,811 USD
View
A
Retailer 5
-
$3,220 NZD
$1,815 USD
View
A
Retailer 6
-
$4,155 NZD
$2,342 USD
View
A
Retailer 7
-
$4,328 NZD
$2,439 USD
View
B+
Retailer 8
-
$5,548 NZD
$3,127 USD
View
B+
Retailer 9
-
$7,558 NZD
£3,354 GBP
View
Retailer 10
-
$10,468 NZD
$5,900 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Do Amore Diamonds
27-DD7A11E3F · Oct 31
$15,365 NZD
$8,660 USD
View
10 more retailers have this diamond
Prices start from $1,732 NZDSave up to $13,634 NZD

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
$1,732 NZD