Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG835610703

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835610703

Diamond specifications and retailer prices

From $346 AUD
HK$1,900 HKD
As of November 1, 2026
Save $1,129 AUD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,601 AUD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835610703 or 835610703. Listed at 19 retailers as of October 26, 2026, with a 326% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835610703
Dimensions6.71 × 7.36 × 4.36 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm7.36 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835610703
Side View
Table 64.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,068 AUD|Low: $242 AUD|High: $1,908 AUD|Avg: $738 AUD|-44.0%
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
Reve Diamonds
October 31, 2026
Retailer 4$253 AUD
Retailer 6$283 AUD
Retailer 11$295 AUD
Retailer 8$315 AUD
Retailer 13$346 AUD
Retailer 16$422 AUD
Retailer 12$517 AUD
Retailer 19$533 AUD
Retailer 3$559 AUD
Retailer 17$563 AUD
Retailer 9$669 AUD
Retailer 5$671 AUD
Retailer 7$1,012 AUD
Retailer 14$1,018 AUD
Retailer 15$1,034 AUD
Retailer 1$1,068 AUD
Retailer 2$1,069 AUD
Retailer 10$1,090 AUD
Retailer 18$1,475 AUD
Reve Diamonds$1,601 AUD

36 data points across 20 retailers

19 retailers$346 AUD to $1,475 AUD

Retailer 1
-
$253 AUD
$178 USD
Price last confirmed 9 days ago
Retailer 2
-
$295 AUD
$207 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$315 AUD
$221 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$346 AUD
HK$1,900 HKD
View
A
Retailer 5
-
$422 AUD
£233 GBP
View
A
Retailer 6
-
$517 AUD
€346 EUR
View
Retailer 7
-
$533 AUD
ZAR 6,044 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
$559 AUD
$393 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$563 AUD
£311 GBP
View
B+
Retailer 10
-
$669 AUD
$470 USD
View
B+
Retailer 11
-
$671 AUD
$471 USD
View
Retailer 12
-
$1,012 AUD
$711 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,018 AUD
SGD 966 SGD
View
B
Retailer 14
-
$1,034 AUD
$726 USD
View
B
Retailer 15
-
$1,068 AUD
$750 USD
View
Retailer 16
-
$1,069 AUD
$751 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$1,090 AUD
$766 USD
View
B
Retailer 18
-
$1,475 AUD
£816 GBP
View
Most Expensive
Reve Diamonds
F4DEAE15A · Oct 25
$1,601 AUD
$1,125 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $346 AUDSave up to $1,129 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
$346 AUD