Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG826667983

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826667983

Diamond specifications and retailer prices

From $188 USD
As of October 30, 2026
Save $967 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,155 USD at Reve Diamonds · As of October 30, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826667983 or 826667983. Listed at 18 retailers as of October 30, 2026, with prices from $188 to $1,155, a $967 spread on the same certified stone. Reve Diamonds lists it at $1,155. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826667983
Dimensions7.55 × 6.46 × 4.34 mm
L/W Ratio1.17
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
7.55 mm6.46 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826667983
Side View
Table 60.0%Crown 37.2°Girdle: MED-STKPavilion 38°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
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: Oct 30
Current: $188 USD|Low: $188 USD|High: $1,155 USD|Avg: $606 USD
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
Reve Diamonds
October 30, 2026
Retailer 1$188 USD
Retailer 11$233 USD
Retailer 7$241 USD
Retailer 12$396 USD
Retailer 8$408 USD
Retailer 9$423 USD
Retailer 6$445 USD
Retailer 5$506 USD
Retailer 13$562 USD
Retailer 3$596 USD
Retailer 2$729 USD
Retailer 10$803 USD
Retailer 4$810 USD
Retailer 14$1,080 USD
Reve Diamonds$1,155 USD

45 data points across 15 retailers

18 retailers$188 USD to $1,155 USD

A
Cheapest Retailer
-
$188 USD
A
Retailer 2
-
$216 USD
View
A
Retailer 3
-
$231 USD
View
A
Retailer 4
-
$233 USD
View
A
Retailer 5
-
$241 USD
View
Final sale: no returns
A
Retailer 6
-
$396 USD
ZAR 6,394 ZAR
View
A
Retailer 7
-
$408 USD
View
A
Retailer 8
-
$423 USD
£333 GBP
View
B+
Retailer 9
-
$445 USD
View
B+
Retailer 10
-
$506 USD
A$778 AUD
View
B+
Retailer 11
-
$562 USD
A$865 AUD
View
B+
Retailer 12
-
$596 USD
View
B+
Retailer 13
-
$729 USD
A$1,122 AUD
View
B
Retailer 14
-
$741 USD
View
B
Retailer 15
-
$803 USD
View
B
Retailer 16
-
$810 USD
View
B
Retailer 17
-
$1,080 USD
£850 GBP
View
Most Expensive
B
Reve Diamonds
C430804B2 · Oct 30
$1,155 USD
View
17 more retailers have this diamond
Prices start from $188 USDSave up to $967 USD

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
$188 USD