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Heart|Lab Grown|IGI

3.88ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG831604055

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831604055

Diamond specifications and retailer prices

From $7,425 NZD
$4,185 USD
As of October 30, 2026
Save $23,199 NZD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $30,624 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.88ct lab-grown heart diamond

This 3.88ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831604055 or 831604055. Listed at 20 retailers as of October 30, 2026, with prices from $7,425 to $30,624, a $23,199 spread on the same certified stone. With Clarity lists it at $30,624. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.88
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604055
Dimensions9.92 × 11.12 × 6.25 mm
L/W Ratio1.12
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
9.92 mm11.12 mm3.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604055
Side View
Table 59.0%Crown 32.8°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 56.2%

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: $23,842 NZD|Low: $7,129 NZD|High: $33,002 NZD|Avg: $14,257 NZD|-5.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 1, 2026
Retailer 10$7,425 NZD
Retailer 18$7,901 NZD
Retailer 13$8,185 NZD
Retailer 15$8,286 NZD
Retailer 11$8,614 NZD
Retailer 17$9,425 NZD
Retailer 3$9,652 NZD
Retailer 12$9,740 NZD
Retailer 9$9,922 NZD
Retailer 14$10,229 NZD
Retailer 19$10,656 NZD
Retailer 8$12,739 NZD
Retailer 4$15,383 NZD
Retailer 7$17,930 NZD
Retailer 6$19,998 NZD
Retailer 5$23,101 NZD
Retailer 1$23,842 NZD
Retailer 2$27,956 NZD
Retailer 16$29,033 NZD
With Clarity$30,624 NZD

32 data points across 20 retailers

20 retailers$7,425 NZD to $30,624 NZD

A
Cheapest Retailer
-
$7,425 NZD
$4,185 USD
A
Retailer 2
-
$7,901 NZD
$4,453 USD
View
Final sale: no returns
A
Retailer 3
-
$8,185 NZD
$4,613 USD
View
B+
Retailer 4
-
$8,286 NZD
$4,670 USD
View
Retailer 5
-
$8,614 NZD
$4,855 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$9,425 NZD
$5,312 USD
View
B+
Retailer 7
-
$9,652 NZD
HK$42,500 HKD
View
B+
Retailer 8
-
$9,740 NZD
£4,322 GBP
View
B+
Retailer 9
-
$9,922 NZD
$5,592 USD
View
B+
Retailer 10
-
$10,229 NZD
$5,765 USD
View
B+
Retailer 11
-
$10,656 NZD
£4,729 GBP
View
B+
Retailer 12
-
$12,739 NZD
$7,180 USD
View
B+
Retailer 13
-
$15,383 NZD
$8,670 USD
View
B+
Retailer 14
-
$17,930 NZD
£7,957 GBP
View
B+
Retailer 15
-
$19,998 NZD
ZAR 182,082 ZAR
View
B
Retailer 16
-
$23,101 NZD
$13,020 USD
View
B
Retailer 17
-
$23,842 NZD
$13,438 USD
View
B
Retailer 18
-
$27,956 NZD
SGD 21,292 SGD
View
B
Retailer 19
-
$29,033 NZD
$16,363 USD
View
Most Expensive
B
With Clarity
831604055 · Oct 31
$30,624 NZD
$17,260 USD
View
19 more retailers have this diamond
Prices start from $7,425 NZDSave up to $23,199 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
3.88ct Heart
$7,425 NZD