Radiant|Lab Grown|IGI

1.21ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG651411202

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

Certificate IGI LG651411202

Diamond specifications and retailer prices

From $355 NZD
$200 USD
As of October 30, 2026
Save $3,617 NZD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,973 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG651411202 or 651411202. Listed at 25 retailers as of October 27, 2026, with prices from $355 to $3,973, a $3,617 spread on the same certified stone. Queensmith lists it at $3,973. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651411202
Dimensions7.90 × 5.43 × 3.49 mm
L/W Ratio1.45
Culet sizePointed
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
7.90 mm5.43 mm1.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651411202
Side View
Table 62.0%Crown 38.1°Girdle: MediumPavilion 35.5°Culet: NoneDepth 64.3%

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: $1,955 NZD|Low: $355 NZD|High: $3,412 NZD|Avg: $1,308 NZD|-7.4%
Retailer 1
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
November 1, 2026
Retailer 23$355 NZD
Retailer 10$398 NZD
Retailer 20$414 NZD
Retailer 5$443 NZD
Retailer 11$443 NZD
Retailer 12$516 NZD
Retailer 8$629 NZD
Retailer 14$682 NZD
Retailer 18$838 NZD
Retailer 3$876 NZD
Retailer 17$907 NZD
Retailer 22$1,073 NZD
Retailer 19$1,192 NZD
Retailer 4$1,425 NZD
Retailer 2$1,568 NZD
Retailer 15$1,873 NZD
Retailer 9$1,896 NZD
Retailer 13$1,943 NZD
Retailer 1$1,955 NZD
Retailer 7$2,125 NZD
Retailer 21$2,595 NZD
Retailer 16$3,359 NZD
Retailer 6$3,412 NZD

37 data points across 23 retailers

25 retailers$355 NZD to $3,973 NZD

A
Cheapest Retailer
-
$355 NZD
$200 USD
A
Retailer 2
-
$398 NZD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$414 NZD
$233 USD
View
Retailer 4
-
$443 NZD
$249 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$443 NZD
$249 USD
View
A
Retailer 6
-
$516 NZD
£228 GBP
View
B+
Retailer 7
-
$629 NZD
$354 USD
View
A
Retailer 8
-
$682 NZD
HK$3,000 HKD
View
A
Retailer 9
-
$838 NZD
ZAR 7,614 ZAR
View
A
Retailer 10
-
$876 NZD
$493 USD
View
A
Retailer 11
-
$907 NZD
£402 GBP
View
A
Retailer 12
-
$1,073 NZD
$604 USD
View
A
Retailer 13
-
$1,192 NZD
A$1,032 AUD
View
B+
Retailer 14
-
$1,425 NZD
$802 USD
View
B+
Retailer 15
-
$1,568 NZD
$882 USD
View
B+
Retailer 16
-
$1,873 NZD
$1,054 USD
View
B+
Retailer 17
-
$1,896 NZD
£840 GBP
View
B+
Retailer 18
-
$1,943 NZD
SGD 1,477 SGD
View
B+
Retailer 19
-
$1,955 NZD
£866 GBP
View
B
Retailer 20
-
$2,125 NZD
$1,195 USD
View
Retailer 21
-
$2,595 NZD
$1,460 USD
View
Price last confirmed 12 days ago
Retailer 22
-
$2,613 NZD
$1,470 USD
View
Price last confirmed 19 days ago
B
Retailer 23
-
$3,359 NZD
$1,890 USD
View
B
Retailer 24
-
$3,412 NZD
$1,920 USD
View
Most Expensive
B
Queensmith
LG651411202 · Oct 27
$3,973 NZD
£1,760 GBP
View
24 more retailers have this diamond
Prices start from $355 NZDSave up to $3,617 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 Radiant
$355 NZD