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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 $972 AUD
$683 USD
As of October 29, 2026
Save $2,920 AUD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,775 AUD at MOH London · As of October 29, 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 October 29, 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 →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,775 AUD|Low: $932 AUD|High: $4,813 AUD|Avg: $2,210 AUD|-0.7%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 19$972 AUD
Retailer 20$1,058 AUD
Retailer 6$1,088 AUD
Retailer 5$1,127 AUD
Retailer 7$1,127 AUD
Retailer 3$1,221 AUD
Retailer 21$1,312 AUD
Retailer 9$1,381 AUD
Retailer 11$1,455 AUD
Retailer 13$1,799 AUD
Retailer 4$1,834 AUD
Retailer 15$1,834 AUD
Retailer 2$1,917 AUD
Retailer 16$2,072 AUD
Retailer 18$2,880 AUD
Retailer 10$3,170 AUD
Retailer 12$3,800 AUD
Retailer 17$3,886 AUD
Retailer 14$3,888 AUD
Retailer 8$3,892 AUD
MOH London$4,775 AUD

29 data points across 21 retailers

21 retailers$972 AUD to $3,892 AUD

B+
Cheapest Retailer
-
$972 AUD
$683 USD
B+
Retailer 2
-
$1,058 AUD
$743 USD
View
B+
Retailer 3
-
$1,088 AUD
$764 USD
View
Final sale: no returns
Retailer 4
-
$1,127 AUD
$792 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$1,127 AUD
$792 USD
View
B+
Retailer 6
-
$1,221 AUD
$858 USD
View
B+
Retailer 7
-
$1,312 AUD
HK$7,200 HKD
View
B+
Retailer 8
-
$1,381 AUD
$970 USD
View
B+
Retailer 9
-
$1,455 AUD
$1,022 USD
View
B+
Retailer 10
-
$1,799 AUD
£995 GBP
View
B+
Retailer 11
-
$1,834 AUD
$1,288 USD
View
B+
Retailer 12
-
$1,834 AUD
€1,227 EUR
View
B+
Retailer 13
-
$1,917 AUD
£1,061 GBP
View
B+
Retailer 14
-
$2,072 AUD
ZAR 23,518 ZAR
View
B
Retailer 15
-
$2,880 AUD
$2,023 USD
View
B
Retailer 16
-
$3,170 AUD
$2,227 USD
View
B
Retailer 17
-
$3,800 AUD
SGD 3,607 SGD
View
B
Retailer 18
-
$3,886 AUD
$2,730 USD
View
B
Retailer 19
-
$3,888 AUD
$2,731 USD
View
B
Retailer 20
-
$3,892 AUD
$2,734 USD
View
Most Expensive
MOH London
LG823695234 · Oct 29
$4,775 AUD
£2,641 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $972 AUDSave up to $2,920 AUD

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.

B+
1.21ct Round
$972 AUD