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Heart|Lab Grown|IGI

3.56ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG826659203

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826659203

Diamond specifications and retailer prices

From $7,032 NZD
$3,963 USD
As of October 30, 2026
Save $21,895 NZD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $28,926 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.56ct lab-grown heart diamond

This 3.56ct 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 LG826659203 or 826659203. Listed at 20 retailers as of October 30, 2026, with prices from $7,032 to $28,926, a $21,895 spread on the same certified stone. Taylor and Hart lists it at $28,926. 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

3.56
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826659203
Dimensions9.52 × 10.84 × 6.18 mm
L/W Ratio1.14
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
9.52 mm10.84 mm3.56 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826659203
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 57.0%

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: $7,370 NZD|Low: $6,751 NZD|High: $30,513 NZD|Avg: $14,230 NZD|-34.8%
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
Taylor and Hart
October 31, 2026
Retailer 4$7,032 NZD
Retailer 9$7,369 NZD
Retailer 1$7,370 NZD
Retailer 10$7,718 NZD
Retailer 5$8,156 NZD
Retailer 7$8,156 NZD
Retailer 3$8,259 NZD
Retailer 8$8,307 NZD
Retailer 17$8,971 NZD
Retailer 12$9,900 NZD
Retailer 6$10,193 NZD
Retailer 15$10,818 NZD
Retailer 19$12,026 NZD
Retailer 2$17,565 NZD
Retailer 16$18,352 NZD
Retailer 18$18,938 NZD
Retailer 11$23,759 NZD
Retailer 14$25,964 NZD
Retailer 13$28,444 NZD
Taylor and Hart$28,926 NZD

38 data points across 20 retailers

20 retailers$7,032 NZD to $28,926 NZD

A
Cheapest Retailer
-
$7,032 NZD
$3,963 USD
A
Retailer 2
-
$7,369 NZD
$4,153 USD
View
A
Retailer 3
-
$7,370 NZD
$4,154 USD
View
Final sale: no returns
B+
Retailer 4
-
$7,718 NZD
$4,350 USD
View
Retailer 5
-
$8,156 NZD
$4,597 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$8,156 NZD
$4,597 USD
View
B+
Retailer 7
-
$8,259 NZD
$4,655 USD
View
B+
Retailer 8
-
$8,307 NZD
$4,682 USD
View
B+
Retailer 9
-
$8,971 NZD
HK$39,500 HKD
View
B+
Retailer 10
-
$9,900 NZD
£4,393 GBP
View
B+
Retailer 11
-
$10,193 NZD
$5,745 USD
View
B+
Retailer 12
-
$10,818 NZD
$6,097 USD
View
B+
Retailer 13
-
$12,026 NZD
$6,778 USD
View
B+
Retailer 14
-
$17,565 NZD
£7,795 GBP
View
B+
Retailer 15
-
$18,352 NZD
$10,343 USD
View
B+
Retailer 16
-
$18,938 NZD
ZAR 172,430 ZAR
View
B
Retailer 17
-
$23,759 NZD
$13,391 USD
View
B
Retailer 18
-
$25,964 NZD
SGD 19,775 SGD
View
B
Retailer 19
-
$28,444 NZD
$16,031 USD
View
Most Expensive
B
Taylor and Hart
4FDC3DR · Oct 30
$28,926 NZD
$16,303 USD
View
19 more retailers have this diamond
Prices start from $7,032 NZDSave up to $21,895 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
3.56ct Heart
$7,032 NZD