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Radiant|Lab Grown|IGI

1.27ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG840634757

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

Certificate IGI LG840634757

Diamond specifications and retailer prices

From $341 NZD
$192 USD
As of November 2, 2026
Save $3,196 NZD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,537 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634757 or 840634757. Listed at 20 retailers as of November 2, 2026, with prices from $341 to $3,537, a $3,196 spread on the same certified stone. Brilliant Earth lists it at $3,537. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634757
Dimensions7.85 × 5.32 × 3.55 mm
L/W Ratio1.48
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
7.85 mm5.32 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634757
Side View
Table 63.0%Crown 47.3°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.7%

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 2
Current: $3,537 NZD|Low: $341 NZD|High: $3,537 NZD|Avg: $1,279 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
November 3, 2026
Retailer 11$341 NZD
Retailer 6$382 NZD
Retailer 18$395 NZD
Retailer 4$423 NZD
Retailer 10$423 NZD
Retailer 9$449 NZD
Retailer 15$729 NZD
Retailer 3$738 NZD
Retailer 2$761 NZD
Retailer 17$782 NZD
Retailer 5$864 NZD
Retailer 13$1,081 NZD
Retailer 19$1,358 NZD
Retailer 14$1,453 NZD
Retailer 21$1,484 NZD
Retailer 8$1,509 NZD
Retailer 12$1,582 NZD
Retailer 16$1,973 NZD
Retailer 20$2,737 NZD
Retailer 7$3,500 NZD
Brilliant Earth$3,537 NZD

19 data points across 21 retailers

20 retailers$341 NZD to $3,537 NZD

A
Cheapest Retailer
-
$341 NZD
$192 USD
A
Retailer 2
-
$382 NZD
$215 USD
View
Final sale: no returns
A
Retailer 3
-
$395 NZD
$222 USD
View
Retailer 4
-
$423 NZD
$238 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$423 NZD
$238 USD
View
A
Retailer 6
-
$729 NZD
ZAR 6,624 ZAR
View
A
Retailer 7
-
$738 NZD
$415 USD
View
A
Retailer 8
-
$761 NZD
£337 GBP
View
A
Retailer 9
-
$782 NZD
€419 EUR
View
A
Retailer 10
-
$864 NZD
$486 USD
View
A
Retailer 11
-
$1,081 NZD
$608 USD
View
B+
Retailer 12
-
$1,358 NZD
$764 USD
View
B+
Retailer 13
-
$1,453 NZD
$817 USD
View
B+
Retailer 14
-
$1,484 NZD
$835 USD
View
B+
Retailer 15
-
$1,509 NZD
SGD 1,147 SGD
View
B+
Retailer 16
-
$1,582 NZD
$890 USD
View
B+
Retailer 17
-
$1,973 NZD
£874 GBP
View
Retailer 18
-
$2,737 NZD
$1,540 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$3,500 NZD
$1,969 USD
View
Most Expensive
B
Brilliant Earth
22143126A · Nov 2
$3,537 NZD
$1,990 USD
View
19 more retailers have this diamond
Prices start from $341 NZDSave up to $3,196 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
1.27ct Radiant
$341 NZD