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Heart|Lab Grown|IGI

1.65ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663395

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663395

Diamond specifications and retailer prices

From $1,203 NZD
$678 USD
As of October 30, 2026
Save $6,356 NZD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,559 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.65ct lab-grown heart diamond

This 1.65ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663395 or 846663395. Listed at 13 retailers as of October 30, 2026, with prices from $1,203 to $7,559, a $6,356 spread on the same certified stone. Brilliant Earth lists it at $7,559. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663395
Dimensions6.99 × 7.92 × 4.94 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
6.99 mm7.92 mm1.65 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663395
Side View
Table 59.0%Crown 37.9°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.4%

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: $7,559 NZD|Low: $1,203 NZD|High: $9,368 NZD|Avg: $3,628 NZD|-19.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8$1,203 NZD
Retailer 4$1,309 NZD
Retailer 6$1,577 NZD
Retailer 10$1,675 NZD
Retailer 9$1,712 NZD
Retailer 3$2,269 NZD
Retailer 13$2,418 NZD
Retailer 7$3,565 NZD
Retailer 11$3,923 NZD
Retailer 5$5,509 NZD
Retailer 2$5,879 NZD
Retailer 12$6,182 NZD
Brilliant Earth$7,559 NZD

6 data points across 13 retailers

13 retailers$1,203 NZD to $7,559 NZD

A
Cheapest Retailer
-
$1,203 NZD
$678 USD
A
Retailer 2
-
$1,309 NZD
$738 USD
View
A
Retailer 3
-
$1,577 NZD
£700 GBP
View
A
Retailer 4
-
$1,675 NZD
$944 USD
View
A
Retailer 5
-
$1,712 NZD
$965 USD
View
B+
Retailer 6
-
$2,269 NZD
$1,279 USD
View
B+
Retailer 7
-
$2,418 NZD
$1,363 USD
View
B+
Retailer 8
-
$3,565 NZD
$2,009 USD
View
B
Retailer 9
-
$3,923 NZD
$2,211 USD
View
B
Retailer 10
-
$5,509 NZD
$3,105 USD
View
B
Retailer 11
-
$5,879 NZD
£2,609 GBP
View
B
Retailer 12
-
$6,182 NZD
$3,484 USD
View
Most Expensive
B
Brilliant Earth
22337110A · Oct 31
$7,559 NZD
$4,260 USD
View
12 more retailers have this diamond
Prices start from $1,203 NZDSave up to $6,356 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
1.65ct Heart
$1,203 NZD