CaratHunter
Plans
Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836616616

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836616616

Diamond specifications and retailer prices

From $302 AUD
As of November 4, 2026
Save $979 AUD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,512 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836616616 or 836616616. Listed at 17 retailers as of November 4, 2026, with a 324% 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

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616616
Dimensions6.67 × 7.51 × 4.08 mm
L/W Ratio1.13
Girdle conditionFaceted
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
6.67 mm7.51 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616616
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 54.3%

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: Nov 4
Current: $1,512 AUD|Low: $302 AUD|High: $1,512 AUD|Avg: $817 AUD
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 5$302 AUD
Retailer 6$339 AUD
Retailer 3$351 AUD
Retailer 14$375 AUD
Retailer 10$426 AUD
Retailer 17$646 AUD
Retailer 12$647 AUD
Retailer 2$687 AUD
Retailer 15$723 AUD
Retailer 4$857 AUD
Retailer 11$917 AUD
Retailer 16$1,206 AUD
Retailer 13$1,210 AUD
Retailer 7$1,217 AUD
Retailer 8$1,282 AUD
Retailer 9$1,282 AUD
MOH London$1,512 AUD

11 data points across 17 retailers

17 retailers$302 AUD to $1,282 AUD

A
Cheapest Retailer
-
$302 AUD
A
Retailer 2
-
$339 AUD
View
Final sale: no returns
A
Retailer 3
-
$351 AUD
View
A
Retailer 4
-
$375 AUD
View
A
Retailer 5
-
$426 AUD
View
A
Retailer 6
-
$646 AUD
View
A
Retailer 7
-
$647 AUD
View
A
Retailer 8
-
$687 AUD
View
B+
Retailer 9
-
$723 AUD
View
B+
Retailer 10
-
$857 AUD
View
B+
Retailer 11
-
$917 AUD
View
B
Retailer 12
-
$1,206 AUD
View
B
Retailer 13
-
$1,210 AUD
View
B
Retailer 14
-
$1,217 AUD
View
B
Retailer 15
-
$1,282 AUD
View
B
Retailer 16
-
$1,282 AUD
View
Most Expensive
MOH London
LG836616616 · Oct 29
$1,512 AUD
£835 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $302 AUDSave up to $979 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.

A
1.23ct Heart
$302 AUD