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Oval|Lab Grown|IGI

5.09ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754507809

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754507809

Diamond specifications and retailer prices

From $12,042 NZD
$6,787 USD
As of October 30, 2026
Save $43,077 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $56,454 NZD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 5.09ct lab-grown oval diamond

This 5.09ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507809 or 754507809. Listed at 14 retailers as of October 30, 2026, with a 358% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.09
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507809
Dimensions14.39 × 9.72 × 5.94 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
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
14.39 mm9.72 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507809
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.1%

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: $56,454 NZD|Low: $12,042 NZD|High: $90,692 NZD|Avg: $34,930 NZD|-0.5%
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
October 31, 2026
Retailer 7$12,042 NZD
Retailer 5$12,722 NZD
Retailer 9$13,318 NZD
Retailer 12$16,193 NZD
Retailer 4$17,411 NZD
Retailer 6$18,069 NZD
Retailer 2$24,702 NZD
Retailer 8$25,195 NZD
Retailer 10$29,226 NZD
Retailer 3$45,698 NZD
Retailer 13$50,102 NZD
Retailer 11$55,119 NZD
Novita Diamonds$56,454 NZD

40 data points across 13 retailers

14 retailers$12,042 NZD to $55,119 NZD

A
Cheapest Retailer
-
$12,042 NZD
$6,787 USD
A
Retailer 2
-
$12,722 NZD
$7,170 USD
View
A
Retailer 3
-
$13,318 NZD
$7,506 USD
View
A
Retailer 4
-
$16,193 NZD
HK$71,300 HKD
View
A
Retailer 5
-
$17,411 NZD
$9,813 USD
View
A
Retailer 6
-
$18,069 NZD
£8,019 GBP
View
Retailer 7
-
$21,298 NZD
£9,452 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
$24,702 NZD
€13,259 EUR
View
A
Retailer 9
-
$25,195 NZD
$14,200 USD
View
B+
Retailer 10
-
$29,226 NZD
£12,970 GBP
View
B+
Retailer 11
-
$45,698 NZD
$25,755 USD
View
B
Retailer 12
-
$50,102 NZD
$28,237 USD
View
B
Retailer 13
-
$55,119 NZD
SGD 41,980 SGD
View
Most Expensive
Novita Diamonds
cert_754507809 · Oct 8
$56,454 NZD
A$48,950 AUD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from $12,042 NZDSave up to $43,077 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
5.09ct Oval
$12,042 NZD