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Emerald|Lab Grown|IGI

2.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG778616371

Shape and cutting style on the report: Emerald cut

Certificate IGI LG778616371

Diamond specifications and retailer prices

From $1,374 NZD
As of November 3, 2026
Save $7,373 NZD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,748 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald 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 LG778616371 or 778616371. Listed at 21 retailers as of November 1, 2026, with prices from $1,374 to $8,748, a $7,373 spread on the same certified stone. Rare Carat lists it at $8,748. 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

2.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778616371
Dimensions9.59 × 6.33 × 4.05 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.59 mm6.33 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778616371
Side View
Table 68.0%Crown 37.3°Girdle: MediumPavilion 38.8°Culet: LargeDepth 64.0%

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: Nov 3
Current: $8,748 NZD|Low: $997 NZD|High: $8,943 NZD|Avg: $3,968 NZD|-2.2%
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 4, 2026
Retailer 12$1,374 NZD
Retailer 7$1,465 NZD
Retailer 10$1,742 NZD
Retailer 4$2,080 NZD
Retailer 9$2,258 NZD
Retailer 6$2,354 NZD
Retailer 15$3,440 NZD
Retailer 2$3,508 NZD
Retailer 13$3,741 NZD
Retailer 16$4,322 NZD
Retailer 3$4,497 NZD
Retailer 11$4,911 NZD
Retailer 5$4,943 NZD
Retailer 14$5,691 NZD
Retailer 8$6,623 NZD
Rare Carat$8,748 NZD

38 data points across 16 retailers

21 retailers$1,374 NZD to $8,748 NZD

A
Cheapest Retailer
-
$1,374 NZD
Final sale: no returns
Retailer 2
-
$1,465 NZD
View
Price last confirmed 24 days ago
Retailer 3
-
$1,465 NZD
View
Price last confirmed 18 days ago
Retailer 4
-
$1,598 NZD
View
Price last confirmed 36 days ago
Retailer 5
-
$1,739 NZD
View
Price last confirmed 40 days ago
A
Retailer 6
-
$1,742 NZD
View
Retailer 7
-
$1,828 NZD
View
Price last confirmed 36 days ago
A
Retailer 8
-
$2,080 NZD
View
A
Retailer 9
-
$2,258 NZD
View
A
Retailer 10
-
$2,354 NZD
View
A
Retailer 11
-
$3,440 NZD
View
A
Retailer 12
-
$3,508 NZD
View
A
Retailer 13
-
$3,741 NZD
View
A
Retailer 14
-
$4,322 NZD
View
A
Retailer 15
-
$4,497 NZD
View
B+
Retailer 16
-
$4,911 NZD
View
B+
Retailer 17
-
$4,943 NZD
View
Retailer 18
-
$5,213 NZD
View
Price last confirmed 35 days ago
B+
Retailer 19
-
$5,691 NZD
View
Retailer 20
-
$6,623 NZD
View
Price last confirmed 30 days ago
Most Expensive
B
Rare Carat
C-282_l_778616371 · Nov 1
$8,748 NZD
$4,920 USD
View
20 more retailers have this diamond
Prices start from $1,374 NZDSave up to $7,373 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
2.51ct Emerald
$1,374 NZD