Radiant|Lab Grown|IGI

2.66ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG778667127

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG778667127

Diamond specifications and retailer prices

From $1,760 NZD
$992 USD
As of October 30, 2026
Save $7,484 NZD (81%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $9,244 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.66ct lab-grown radiant diamond

This 2.66ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778667127 or 778667127. Listed at 27 retailers as of October 30, 2026, with prices from $1,760 to $9,244, a $7,484 spread on the same certified stone. Brilliant Earth lists it at $9,244. 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

2.66
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778667127
Dimensions8.09 × 7.41 × 4.83 mm
L/W Ratio1.09
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm7.41 mm2.66 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778667127
Side View
Table 67.0%Crown 42.6°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,244 NZD|Low: $1,689 NZD|High: $9,244 NZD|Avg: $4,611 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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 6$1,760 NZD
Retailer 5$1,914 NZD
Retailer 9$1,969 NZD
Retailer 12$2,040 NZD
Retailer 24$2,351 NZD
Retailer 4$2,362 NZD
Retailer 11$2,484 NZD
Retailer 3$2,919 NZD
Retailer 2$3,149 NZD
Retailer 20$3,247 NZD
Retailer 8$3,825 NZD
Retailer 22$3,905 NZD
Retailer 19$4,845 NZD
Retailer 15$4,984 NZD
Retailer 7$5,117 NZD
Retailer 23$5,265 NZD
Retailer 16$5,624 NZD
Retailer 18$6,327 NZD
Retailer 10$6,600 NZD
Retailer 14$6,842 NZD
Retailer 21$6,901 NZD
Retailer 13$6,922 NZD
Retailer 17$7,112 NZD
Brilliant Earth$9,244 NZD

33 data points across 24 retailers

27 retailers$1,760 NZD to $9,244 NZD

A
Cheapest Retailer
-
$1,760 NZD
$992 USD
A
Retailer 2
-
$1,914 NZD
$1,079 USD
View
A
Retailer 3
-
$1,969 NZD
$1,110 USD
View
Final sale: no returns
A
Retailer 4
-
$2,040 NZD
$1,150 USD
View
Retailer 5
-
$2,040 NZD
$1,150 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$2,351 NZD
$1,325 USD
View
A
Retailer 7
-
$2,362 NZD
HK$10,400 HKD
View
A
Retailer 8
-
$2,484 NZD
$1,400 USD
View
A
Retailer 9
-
$2,919 NZD
$1,645 USD
View
A
Retailer 10
-
$3,149 NZD
£1,397 GBP
View
A
Retailer 11
-
$3,247 NZD
€1,743 EUR
View
A
Retailer 12
-
$3,825 NZD
$2,156 USD
View
A
Retailer 13
-
$3,905 NZD
$2,201 USD
View
A
Retailer 14
-
$4,012 NZD
$2,261 USD
View
B+
Retailer 15
-
$4,845 NZD
A$4,201 AUD
View
B+
Retailer 16
-
$4,984 NZD
$2,809 USD
View
B+
Retailer 17
-
$5,117 NZD
$2,884 USD
View
B+
Retailer 18
-
$5,265 NZD
ZAR 47,940 ZAR
View
B+
Retailer 19
-
$5,624 NZD
£2,496 GBP
View
B+
Retailer 20
-
$6,029 NZD
$3,398 USD
View
B+
Retailer 21
-
$6,327 NZD
$3,566 USD
View
B+
Retailer 22
-
$6,600 NZD
$3,720 USD
View
B+
Retailer 23
-
$6,842 NZD
SGD 5,211 SGD
View
B+
Retailer 24
-
$6,901 NZD
A$5,984 AUD
View
B+
Retailer 25
-
$6,922 NZD
£3,072 GBP
View
B+
Retailer 26
-
$7,112 NZD
$4,009 USD
View
Most Expensive
B
Brilliant Earth
18340359A · Oct 31
$9,244 NZD
$5,210 USD
View
26 more retailers have this diamond
Prices start from $1,760 NZDSave up to $7,484 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
2.66ct Radiant
$1,760 NZD