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Round|Lab Grown|IGI

1.21ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG656491314

Shape and cutting style on the report: Round brilliant

Certificate IGI LG656491314

Diamond specifications and retailer prices

From $378 NZD
As of November 3, 2026
Save $2,567 NZD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,945 NZD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG656491314 or 656491314. Listed at 22 retailers as of November 3, 2026, with a 679% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656491314
Dimensions6.90 × 6.92 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm6.92 mm1.21 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656491314
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.8%

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: $2,945 NZD|Low: $378 NZD|High: $2,945 NZD|Avg: $1,135 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
November 5, 2026
Retailer 10$394 NZD
Retailer 3$424 NZD
Retailer 9$438 NZD
Retailer 7$468 NZD
Retailer 4$630 NZD
Retailer 17$789 NZD
Retailer 15$807 NZD
Retailer 2$855 NZD
Retailer 18$899 NZD
Retailer 14$1,146 NZD
Retailer 5$1,456 NZD
Retailer 6$1,506 NZD
Retailer 13$1,511 NZD
Retailer 8$1,598 NZD
Retailer 16$1,600 NZD
Retailer 11$1,872 NZD
Retailer 12$2,031 NZD
Brilliant Earth$2,945 NZD

43 data points across 18 retailers

22 retailers$378 NZD to $2,945 NZD

A
Cheapest Retailer
-
$378 NZD
Retailer 2
-
$394 NZD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$424 NZD
View
Final sale: no returns
Retailer 4
-
$438 NZD
View
Price last confirmed 9 days ago
Retailer 5
-
$468 NZD
View
Price last confirmed 9 days ago
Retailer 6
-
$488 NZD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$630 NZD
View
A
Retailer 8
-
$789 NZD
View
A
Retailer 9
-
$807 NZD
View
A
Retailer 10
-
$855 NZD
View
A
Retailer 11
-
$899 NZD
View
B+
Retailer 12
-
$1,146 NZD
View
B+
Retailer 13
-
$1,231 NZD
View
B+
Retailer 14
-
$1,456 NZD
View
Retailer 15
-
$1,506 NZD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$1,511 NZD
View
B
Retailer 17
-
$1,598 NZD
View
B
Retailer 18
-
$1,600 NZD
View
B+
Retailer 19
-
$1,872 NZD
View
B
Retailer 20
-
$2,031 NZD
View
B
Retailer 21
-
$2,945 NZD
View
Most Expensive
Brilliant Earth
20628276A · Oct 26
$2,945 NZD
$1,660 USD
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from $378 NZDSave up to $2,567 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
1.21ct Round
$378 NZD