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Round|Lab Grown|IGI

2.78ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG781627581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781627581

Diamond specifications and retailer prices

From $580 NZD
$326 USD
As of October 26, 2026
Save $3,550 NZD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,131 NZD at Brilliant Earth · As of October 28, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781627581 or 781627581. Listed at 20 retailers as of October 26, 2026, with prices from $580 to $4,131, a $3,550 spread on the same certified stone. Brilliant Earth lists it at $4,131. 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
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781627581
Dimensions9.14 × 9.21 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.14 mm9.21 mm2.78 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781627581
Side View
Table 62.0%Crown 31.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 59.2%

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 26
Current: $4,131 NZD|Low: $557 NZD|High: $4,131 NZD|Avg: $1,717 NZD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 19$580 NZD
Retailer 8$648 NZD
Retailer 17$673 NZD
Retailer 18$719 NZD
Retailer 4$1,047 NZD
Retailer 14$1,086 NZD
Retailer 12$1,109 NZD
Retailer 6$1,166 NZD
Retailer 11$1,268 NZD
Retailer 15$1,275 NZD
Retailer 9$1,740 NZD
Retailer 5$1,791 NZD
Retailer 13$2,278 NZD
Retailer 3$2,313 NZD
Retailer 7$2,719 NZD
Retailer 16$2,888 NZD
Retailer 2$3,002 NZD
Retailer 10$3,285 NZD
Brilliant Earth$4,131 NZD

42 data points across 19 retailers

20 retailers$580 NZD to $4,131 NZD

A
Cheapest Retailer
-
$580 NZD
$326 USD
A
Retailer 2
-
$648 NZD
$364 USD
View
Final sale: no returns
A
Retailer 3
-
$673 NZD
$378 USD
View
A
Retailer 4
-
$719 NZD
$404 USD
View
A
Retailer 5
-
$798 NZD
HK$3,500 HKD
View
A
Retailer 6
-
$1,047 NZD
£463 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$1,086 NZD
$610 USD
View
A
Retailer 8
-
$1,109 NZD
€593 EUR
View
B+
Retailer 9
-
$1,166 NZD
$655 USD
View
A
Retailer 10
-
$1,268 NZD
$712 USD
View
A
Retailer 11
-
$1,275 NZD
£564 GBP
View
B+
Retailer 12
-
$1,740 NZD
$977 USD
View
B+
Retailer 13
-
$1,791 NZD
$1,006 USD
View
B+
Retailer 14
-
$2,278 NZD
SGD 1,729 SGD
View
B+
Retailer 15
-
$2,313 NZD
$1,299 USD
View
B
Retailer 16
-
$2,719 NZD
$1,527 USD
View
B+
Retailer 17
-
$2,888 NZD
£1,277 GBP
View
B
Retailer 18
-
$3,002 NZD
$1,686 USD
View
B
Retailer 19
-
$3,285 NZD
$1,845 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
17981216A · Oct 28
$4,131 NZD
$2,320 USD
View
19 more retailers have this diamond
Prices start from $580 NZDSave up to $3,550 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
$580 NZD