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Round|Lab Grown|IGI

4.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG780615544

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780615544

Diamond specifications and retailer prices

From $4,335 NZD
$2,443 USD
As of October 29, 2026
Save $20,985 NZD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $25,319 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.53ct lab-grown round diamond

This 4.53ct lab-grown round 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 LG780615544 or 780615544. Listed at 24 retailers as of October 29, 2026, with prices from $4,335 to $25,319, a $20,985 spread on the same certified stone. Brilliant Earth lists it at $25,319. 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

4.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780615544
Dimensions10.60 × 10.53 × 6.52 mm
L/W Ratio1.01
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
10.60 mm10.53 mm4.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780615544
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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 29
Current: $25,319 NZD|Low: $4,335 NZD|High: $47,782 NZD|Avg: $10,865 NZD|-47.0%
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 16$4,335 NZD
Retailer 18$5,028 NZD
Retailer 15$5,309 NZD
Retailer 7$5,341 NZD
Retailer 12$6,898 NZD
Retailer 6$6,911 NZD
Retailer 13$7,537 NZD
Retailer 9$7,629 NZD
Retailer 2$7,968 NZD
Retailer 3$9,878 NZD
Retailer 14$10,702 NZD
Retailer 10$10,789 NZD
Retailer 17$13,534 NZD
Retailer 8$14,060 NZD
Retailer 5$14,127 NZD
Retailer 4$17,549 NZD
Retailer 19$18,446 NZD
Retailer 11$21,085 NZD
Brilliant Earth$25,319 NZD

25 data points across 19 retailers

24 retailers$4,335 NZD to $25,319 NZD

A
Cheapest Retailer
-
$4,335 NZD
$2,443 USD
A
Retailer 2
-
$5,028 NZD
$2,834 USD
View
Retailer 3
-
$5,298 NZD
$2,986 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$5,309 NZD
$2,992 USD
View
Final sale: no returns
Retailer 5
-
$5,339 NZD
$3,009 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$5,341 NZD
$3,010 USD
View
Retailer 7
-
$5,571 NZD
$3,140 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$6,898 NZD
£3,061 GBP
View
A
Retailer 9
-
$6,911 NZD
$3,895 USD
View
A
Retailer 10
-
$7,537 NZD
$4,248 USD
View
A
Retailer 11
-
$7,629 NZD
$4,300 USD
View
Retailer 12
-
$7,764 NZD
$4,376 USD
View
Price last confirmed 34 days ago
A
Retailer 13
-
$7,968 NZD
€4,277 EUR
View
A
Retailer 14
-
$9,878 NZD
$5,567 USD
View
A
Retailer 15
-
$10,702 NZD
ZAR 97,445 ZAR
View
Retailer 16
-
$10,789 NZD
A$9,355 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$12,766 NZD
$7,195 USD
View
B+
Retailer 18
-
$13,534 NZD
£6,006 GBP
View
B+
Retailer 19
-
$14,060 NZD
$7,924 USD
View
B+
Retailer 20
-
$14,127 NZD
$7,962 USD
View
B+
Retailer 21
-
$17,549 NZD
$9,890 USD
View
B+
Retailer 22
-
$18,446 NZD
$10,396 USD
View
Retailer 23
-
$21,085 NZD
A$18,282 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
20863028A · Oct 30
$25,319 NZD
$14,270 USD
View
23 more retailers have this diamond
Prices start from $4,335 NZDSave up to $20,985 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
4.53ct Round
$4,335 NZD