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Heart|Lab Grown|IGI

3.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843670823

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843670823

Diamond specifications and retailer prices

From $3,526 NZD
$1,987 USD
As of October 30, 2026
Save $24,638 NZD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $28,163 NZD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 3.03ct lab-grown heart diamond

This 3.03ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843670823 or 843670823. Listed at 16 retailers as of October 30, 2026, with prices from $3,526 to $28,163, a $24,638 spread on the same certified stone. Novita Diamonds lists it at $28,163. 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

3.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670823
Dimensions9.12 × 9.64 × 5.93 mm
L/W Ratio1.06
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
9.12 mm9.64 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670823
Side View
Table 60.0%Crown 36.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.5%

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: $28,163 NZD|Low: $3,526 NZD|High: $28,163 NZD|Avg: $8,899 NZD
Novita Diamonds
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
November 2, 2026
Retailer 12$3,526 NZD
Retailer 5$3,836 NZD
Retailer 14$4,166 NZD
Retailer 16$4,383 NZD
Retailer 2$4,866 NZD
Retailer 3$5,621 NZD
Retailer 4$5,790 NZD
Retailer 13$6,402 NZD
Retailer 15$6,716 NZD
Retailer 11$7,892 NZD
Retailer 10$9,236 NZD
Retailer 9$11,679 NZD
Retailer 8$12,644 NZD
Retailer 7$18,272 NZD
Retailer 6$21,913 NZD
Novita Diamonds$28,163 NZD

14 data points across 16 retailers

16 retailers$3,526 NZD to $28,163 NZD

A
Cheapest Retailer
-
$3,526 NZD
$1,987 USD
A
Retailer 2
-
$3,836 NZD
$2,162 USD
View
A
Retailer 3
-
$4,166 NZD
$2,348 USD
View
A
Retailer 4
-
$4,383 NZD
$2,470 USD
View
A
Retailer 5
-
$4,866 NZD
£2,159 GBP
View
A
Retailer 6
-
$5,621 NZD
$3,168 USD
View
A
Retailer 7
-
$5,790 NZD
$3,263 USD
View
B+
Retailer 8
-
$6,402 NZD
$3,608 USD
View
B+
Retailer 9
-
$6,716 NZD
$3,785 USD
View
B+
Retailer 10
-
$7,892 NZD
€4,236 EUR
View
B+
Retailer 11
-
$9,236 NZD
A$8,008 AUD
View
B+
Retailer 12
-
$11,679 NZD
£5,183 GBP
View
B
Retailer 13
-
$12,644 NZD
$7,126 USD
View
B
Retailer 14
-
$18,272 NZD
$10,298 USD
View
B
Retailer 15
-
$21,913 NZD
$12,350 USD
View
Most Expensive
B
Novita Diamonds
cert_843670823 · Nov 1
$28,163 NZD
A$24,420 AUD
View
15 more retailers have this diamond
Prices start from $3,526 NZDSave up to $24,638 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
3.03ct Heart
$3,526 NZD