CaratHunter
Plans
Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG683578081

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG683578081

Diamond specifications and retailer prices

From $4,430 SGD
$3,465 USD
As of October 31, 2026
Save $23,388 SGD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $27,818 SGD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval 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 LG683578081 or 683578081. Listed at 22 retailers as of October 31, 2026, with prices from $4,430 to $27,818, a $23,388 spread on the same certified stone. Mervis Diamond Importers lists it at $27,818. 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

4.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683578081
Dimensions12.76 × 8.97 × 5.58 mm
L/W Ratio1.42
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
12.76 mm8.97 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683578081
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.2%

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 31
Current: $27,818 SGD|Low: $3,797 SGD|High: $27,818 SGD|Avg: $9,692 SGD
Mervis Diamond Importers
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
Retailer 20
October 31, 2026
Retailer 3$3,797 SGD
Retailer 6$4,303 SGD
Retailer 8$4,430 SGD
Retailer 9$4,588 SGD
Retailer 7$4,687 SGD
Retailer 18$4,788 SGD
Retailer 12$5,142 SGD
Retailer 17$6,457 SGD
Retailer 2$6,760 SGD
Retailer 4$7,127 SGD
Retailer 10$7,735 SGD
Retailer 16$7,837 SGD
Retailer 13$10,778 SGD
Retailer 15$10,943 SGD
Retailer 20$11,500 SGD
Retailer 14$12,906 SGD
Retailer 11$14,565 SGD
Retailer 5$17,148 SGD
Retailer 19$25,095 SGD
Mervis Diamond Importers$27,818 SGD

42 data points across 20 retailers

22 retailers$4,430 SGD to $27,818 SGD

A
Cheapest Retailer
-
$4,430 SGD
$3,465 USD
Final sale: no returns
Retailer 2
-
$4,588 SGD
$3,589 USD
View
Price last confirmed 28 days ago
A
Retailer 3
-
$4,687 SGD
$3,666 USD
View
A
Retailer 4
-
$4,788 SGD
$3,745 USD
View
A
Retailer 5
-
$5,142 SGD
$4,022 USD
View
Retailer 6
-
$6,328 SGD
$4,950 USD
View
Price last confirmed 23 days ago
A
Retailer 7
-
$6,457 SGD
$5,051 USD
View
A
Retailer 8
-
$6,760 SGD
£4,164 GBP
View
A
Retailer 9
-
$7,127 SGD
$5,575 USD
View
B+
Retailer 10
-
$7,735 SGD
£4,764 GBP
View
A
Retailer 11
-
$7,837 SGD
$6,130 USD
View
B+
Retailer 12
-
$10,778 SGD
ZAR 136,198 ZAR
View
Retailer 13
-
$10,943 SGD
A$13,169 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$11,500 SGD
$8,996 USD
View
B
Retailer 15
-
$12,632 SGD
$9,881 USD
View
B+
Retailer 16
-
$12,906 SGD
£7,949 GBP
View
B
Retailer 17
-
$14,565 SGD
$11,393 USD
View
B
Retailer 18
-
$17,148 SGD
$13,414 USD
View
B
Retailer 19
-
$17,788 SGD
$13,914 USD
View
B
Retailer 20
-
$25,095 SGD
$19,630 USD
View
B
Retailer 21
-
$27,217 SGD
$21,290 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409298 · Oct 31
$27,818 SGD
$21,760 USD
View
21 more retailers have this diamond
Prices start from $4,430 SGDSave up to $23,388 SGD

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
4.00ct Oval
$4,430 SGD