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Heart|Lab Grown|IGI

1.28ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG665409677

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665409677

Diamond specifications and retailer prices

From $417 NZD
$235 USD
As of October 30, 2026
Save $1,902 NZD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,319 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665409677 or 665409677. Listed at 21 retailers as of October 30, 2026, with prices from $417 to $2,319, a $1,902 spread on the same certified stone. Reve Diamonds lists it at $2,319. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409677
Dimensions6.79 × 7.52 × 4.44 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
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
6.79 mm7.52 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409677
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.0%

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: Oct 30
Current: $971 NZD|Low: $397 NZD|High: $2,319 NZD|Avg: $1,097 NZD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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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 3$417 NZD
Retailer 16$467 NZD
Retailer 11$484 NZD
Retailer 7$518 NZD
Retailer 9$518 NZD
Retailer 2$875 NZD
Retailer 8$875 NZD
Retailer 14$889 NZD
Retailer 17$890 NZD
Retailer 5$947 NZD
Retailer 1$971 NZD
Retailer 12$1,036 NZD
Retailer 18$1,264 NZD
Retailer 6$1,363 NZD
Retailer 19$1,421 NZD
Retailer 13$1,526 NZD
Retailer 4$1,666 NZD
Retailer 10$1,758 NZD
Retailer 15$2,087 NZD
Reve Diamonds$2,319 NZD

36 data points across 20 retailers

21 retailers$417 NZD to $2,319 NZD

A
Cheapest Retailer
-
$417 NZD
$235 USD
A
Retailer 2
-
$467 NZD
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$484 NZD
$273 USD
View
A
Retailer 4
-
$518 NZD
$292 USD
View
A
Retailer 5
-
$518 NZD
$292 USD
View
B+
Retailer 6
-
$875 NZD
$493 USD
View
B+
Retailer 7
-
$875 NZD
$493 USD
View
B+
Retailer 8
-
$889 NZD
€477 EUR
View
B+
Retailer 9
-
$890 NZD
ZAR 8,104 ZAR
View
B+
Retailer 10
-
$947 NZD
$534 USD
View
B+
Retailer 11
-
$971 NZD
£431 GBP
View
B+
Retailer 12
-
$1,036 NZD
A$898 AUD
View
B+
Retailer 13
-
$1,264 NZD
A$1,096 AUD
View
B
Retailer 14
-
$1,363 NZD
$768 USD
View
B+
Retailer 15
-
$1,421 NZD
A$1,232 AUD
View
B
Retailer 16
-
$1,526 NZD
$860 USD
View
B
Retailer 17
-
$1,666 NZD
$939 USD
View
B
Retailer 18
-
$1,758 NZD
$991 USD
View
B
Retailer 19
-
$1,888 NZD
$1,064 USD
View
B
Retailer 20
-
$2,087 NZD
£926 GBP
View
Most Expensive
B
Reve Diamonds
C3FB009FE · Oct 30
$2,319 NZD
$1,307 USD
View
20 more retailers have this diamond
Prices start from $417 NZDSave up to $1,902 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
1.28ct Heart
$417 NZD