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Heart|Lab Grown|IGI

1.88ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818667589

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818667589

Diamond specifications and retailer prices

From $1,843 NZD
$1,039 USD
As of November 1, 2026
Save $7,550 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,393 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.88ct lab-grown heart diamond

This 1.88ct 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 LG818667589 or 818667589. Listed at 18 retailers as of October 31, 2026, with prices from $1,843 to $9,393, a $7,550 spread on the same certified stone. With Clarity lists it at $9,393. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818667589
Dimensions7.67 × 8.51 × 4.92 mm
L/W Ratio1.11
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
7.67 mm8.51 mm1.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818667589
Side View
Table 61.0%Crown 37.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 57.8%

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: Nov 1
Current: $1,843 NZD|Low: $1,600 NZD|High: $10,699 NZD|Avg: $4,504 NZD|-9.0%
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
With Clarity
November 1, 2026
Retailer 1$1,843 NZD
Retailer 13$1,996 NZD
Retailer 6$2,103 NZD
Retailer 8$2,544 NZD
Retailer 3$2,672 NZD
Retailer 14$2,965 NZD
Retailer 12$3,047 NZD
Retailer 9$3,113 NZD
Retailer 4$3,595 NZD
Retailer 10$5,451 NZD
Retailer 2$5,736 NZD
Retailer 7$6,215 NZD
Retailer 5$6,562 NZD
Retailer 11$7,913 NZD
With Clarity$9,393 NZD

34 data points across 15 retailers

18 retailers$1,843 NZD to $9,393 NZD

Retailer 1
-
$1,739 NZD
$980 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$1,843 NZD
$1,039 USD
View
Final sale: no returns
Retailer 3
-
$1,971 NZD
$1,111 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$1,996 NZD
$1,125 USD
View
Retailer 5
-
$2,072 NZD
$1,168 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$2,544 NZD
£1,129 GBP
View
B+
Retailer 7
-
$2,672 NZD
$1,506 USD
View
B+
Retailer 8
-
$2,965 NZD
$1,671 USD
View
B+
Retailer 9
-
$3,047 NZD
ZAR 27,747 ZAR
View
B+
Retailer 10
-
$3,113 NZD
€1,671 EUR
View
B+
Retailer 11
-
$3,595 NZD
$2,026 USD
View
Retailer 12
-
$3,939 NZD
$2,220 USD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$5,451 NZD
$3,072 USD
View
B
Retailer 14
-
$5,736 NZD
$3,233 USD
View
B+
Retailer 15
-
$6,215 NZD
£2,758 GBP
View
B
Retailer 16
-
$6,562 NZD
SGD 4,998 SGD
View
B
Retailer 17
-
$7,913 NZD
$4,460 USD
View
Most Expensive
B
With Clarity
818667589 · Oct 31
$9,393 NZD
$5,294 USD
View
17 more retailers have this diamond
Prices start from $1,843 NZDSave up to $7,550 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
1.88ct Heart
$1,843 NZD