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Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG823695234

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823695234

Diamond specifications and retailer prices

From $1,212 NZD
As of November 3, 2026
Save $3,638 NZD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,903 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823695234 or 823695234. Listed at 21 retailers as of November 3, 2026, with a 300% 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695234
Dimensions6.91 × 6.88 × 4.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.91 mm6.88 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695234
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 60.5%

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: $5,903 NZD|Low: $1,162 NZD|High: $5,997 NZD|Avg: $2,506 NZD|-1.5%
MOH London
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
November 5, 2026
Retailer 15$1,212 NZD
Retailer 16$1,318 NZD
Retailer 6$1,355 NZD
Retailer 5$1,405 NZD
Retailer 7$1,405 NZD
Retailer 3$1,522 NZD
Retailer 17$1,634 NZD
Retailer 9$1,721 NZD
Retailer 2$2,219 NZD
Retailer 11$2,283 NZD
Retailer 4$2,285 NZD
Retailer 10$2,377 NZD
Retailer 12$2,581 NZD
Retailer 14$3,589 NZD
Retailer 13$4,843 NZD
Retailer 8$4,850 NZD
MOH London$5,903 NZD

33 data points across 17 retailers

21 retailers$1,212 NZD to $4,850 NZD

A
Cheapest Retailer
-
$1,212 NZD
B+
Retailer 2
-
$1,318 NZD
View
B+
Retailer 3
-
$1,355 NZD
View
Final sale: no returns
Retailer 4
-
$1,405 NZD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$1,405 NZD
View
B+
Retailer 6
-
$1,522 NZD
View
B+
Retailer 7
-
$1,634 NZD
View
B+
Retailer 8
-
$1,721 NZD
View
B+
Retailer 9
-
$1,813 NZD
View
B+
Retailer 10
-
$2,219 NZD
View
B+
Retailer 11
-
$2,283 NZD
View
B
Retailer 12
-
$2,285 NZD
View
B+
Retailer 13
-
$2,377 NZD
View
B+
Retailer 14
-
$2,581 NZD
View
B
Retailer 15
-
$3,589 NZD
View
B
Retailer 16
-
$3,951 NZD
View
B
Retailer 17
-
$4,735 NZD
View
B
Retailer 18
-
$4,843 NZD
View
B
Retailer 19
-
$4,845 NZD
View
B
Retailer 20
-
$4,850 NZD
View
Most Expensive
MOH London
LG823695234 · Nov 5
$5,903 NZD
£2,620 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $1,212 NZDSave up to $3,638 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
$1,212 NZD