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Cushion|Lab Grown|IGI

2.80ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840629975

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629975

Diamond specifications and retailer prices

From $3,140 NZD
£1,393 GBP
As of October 30, 2026
Save $11,099 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,239 NZD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 2.8ct lab-grown cushion diamond

This 2.8ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840629975 or 840629975. Listed at 14 retailers as of October 30, 2026, with prices from $3,140 to $14,239, a $11,099 spread on the same certified stone. Helzberg Diamonds lists it at $14,239. 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

2.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629975
Dimensions10.34 × 6.95 × 4.74 mm
L/W Ratio1.49
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
10.34 mm6.95 mm2.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629975
Side View
Table 59.0%Crown 34.5°Girdle: THK-VTKPavilion 36°Culet: NoneDepth 68.2%

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 30
Current: $14,239 NZD|Low: $3,140 NZD|High: $15,082 NZD|Avg: $7,172 NZD
Helzberg Diamonds
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
October 31, 2026
Retailer 11$3,140 NZD
Retailer 8$3,149 NZD
Retailer 9$3,220 NZD
Retailer 4$3,277 NZD
Retailer 7$4,012 NZD
Retailer 2$4,458 NZD
Retailer 13$5,662 NZD
Retailer 14$6,868 NZD
Retailer 3$7,338 NZD
Retailer 6$7,812 NZD
Retailer 12$10,000 NZD
Retailer 5$11,465 NZD
Retailer 10$13,112 NZD
Helzberg Diamonds$14,239 NZD

3 data points across 14 retailers

14 retailers$3,140 NZD to $14,239 NZD

A
Cheapest Retailer
-
$3,140 NZD
£1,393 GBP
A
Retailer 2
-
$3,149 NZD
$1,775 USD
View
A
Retailer 3
-
$3,220 NZD
$1,815 USD
View
A
Retailer 4
-
$3,277 NZD
$1,847 USD
View
Final sale: no returns
A
Retailer 5
-
$4,012 NZD
£1,781 GBP
View
A
Retailer 6
-
$4,458 NZD
€2,393 EUR
View
A
Retailer 7
-
$5,662 NZD
$3,191 USD
View
B+
Retailer 8
-
$6,868 NZD
£3,048 GBP
View
B+
Retailer 9
-
$7,338 NZD
ZAR 66,810 ZAR
View
B+
Retailer 10
-
$7,812 NZD
$4,403 USD
View
B+
Retailer 11
-
$10,000 NZD
$5,636 USD
View
B
Retailer 12
-
$11,465 NZD
SGD 8,732 SGD
View
B
Retailer 13
-
$13,112 NZD
$7,390 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIPPNL · Oct 31
$14,239 NZD
$8,025 USD
View
13 more retailers have this diamond
Prices start from $3,140 NZDSave up to $11,099 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
2.80ct Cushion
$3,140 NZD