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Heart|Lab Grown|IGI

1.61ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG677533550

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677533550

Diamond specifications and retailer prices

From $916 NZD
$516 USD
As of October 30, 2026
Save $7,388 NZD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $8,304 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown heart diamond

This 1.61ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677533550 or 677533550. Listed at 26 retailers as of October 30, 2026, with prices from $916 to $8,304, a $7,388 spread on the same certified stone. Brilliant Earth lists it at $8,304. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677533550
Dimensions7.51 × 8.01 × 4.61 mm
L/W Ratio1.07
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
7.51 mm8.01 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677533550
Side View
Table 54.0%Crown 36.7°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.6%

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: $8,304 NZD|Low: $880 NZD|High: $8,304 NZD|Avg: $2,772 NZD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 5$916 NZD
Retailer 9$1,026 NZD
Retailer 7$1,136 NZD
Retailer 10$1,202 NZD
Retailer 17$1,384 NZD
Retailer 4$1,526 NZD
Retailer 12$1,656 NZD
Retailer 3$1,682 NZD
Retailer 11$1,761 NZD
Retailer 16$1,953 NZD
Retailer 14$2,496 NZD
Retailer 15$2,646 NZD
Retailer 8$2,988 NZD
Retailer 6$3,934 NZD
Retailer 2$4,743 NZD
Retailer 13$6,407 NZD
Brilliant Earth$8,304 NZD

35 data points across 17 retailers

26 retailers$916 NZD to $8,304 NZD

A
Cheapest Retailer
-
$916 NZD
$516 USD
A
Retailer 2
-
$1,026 NZD
$578 USD
View
Final sale: no returns
A
Retailer 3
-
$1,026 NZD
$578 USD
View
A
Retailer 4
-
$1,136 NZD
$640 USD
View
Retailer 5
-
$1,136 NZD
$640 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,202 NZD
£533 GBP
View
A
Retailer 7
-
$1,384 NZD
$780 USD
View
A
Retailer 8
-
$1,526 NZD
$860 USD
View
A
Retailer 9
-
$1,535 NZD
$865 USD
View
A
Retailer 10
-
$1,656 NZD
€889 EUR
View
A
Retailer 11
-
$1,682 NZD
A$1,458 AUD
View
A
Retailer 12
-
$1,761 NZD
£781 GBP
View
A
Retailer 13
-
$1,953 NZD
ZAR 17,781 ZAR
View
B+
Retailer 14
-
$2,138 NZD
$1,205 USD
View
B+
Retailer 15
-
$2,496 NZD
$1,407 USD
View
B+
Retailer 16
-
$2,646 NZD
A$2,294 AUD
View
B+
Retailer 17
-
$2,658 NZD
$1,498 USD
View
B+
Retailer 18
-
$2,988 NZD
$1,684 USD
View
B+
Retailer 19
-
$3,696 NZD
$2,083 USD
View
B+
Retailer 20
-
$3,731 NZD
$2,103 USD
View
B
Retailer 21
-
$3,910 NZD
$2,204 USD
View
B
Retailer 22
-
$3,934 NZD
$2,217 USD
View
B
Retailer 23
-
$4,175 NZD
$2,353 USD
View
B+
Retailer 24
-
$4,743 NZD
£2,105 GBP
View
B
Retailer 25
-
$6,407 NZD
A$5,555 AUD
View
Most Expensive
B
Brilliant Earth
13232930A · Oct 31
$8,304 NZD
$4,680 USD
View
25 more retailers have this diamond
Prices start from $916 NZDSave up to $7,388 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
1.61ct Heart
$916 NZD